User:Matthias Buchmeier/pt-en-o

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ó {interj} [nonstandard]  :: look!
ó {interj}  :: o (vocative particle)
ó {letter}  :: The letter o with an acute accent
Õ {letter}  :: the letter O with a tilde
Óbidos {prop}  :: A Portuguese village in Leiria district
óbito {m}  :: a passing; a death
óblast {m}  :: oblast (a region or province in some countries)
óbolo {m}  :: obolus (silver coin)
óbvia {adj}  :: feminine form of óbvio
óbvio {adj}  :: obvious
ócio {m}  :: laziness
ócio {m}  :: leisure
óculo {m} [architecture]  :: oculus
óculo {m}  :: eyeglass
óculos {n}  :: glasses, spectacles
óculos de sol {mp}  :: sunglasses (tinted glasses worn to protect the eyes from the sun)
Ódin {prop}  :: alternative form of Odin
ódio {m}  :: hatred
ógea {f}  :: hobby (Falco subbuteo)
óleo {m}  :: essential oil
óleo {m}  :: oil-based paint
óleo {m}  :: oil (liquid substance extracted from animals, vegetals, or minerals)
óleo {m}  :: oil painting
óleo {m}  :: olive oil
óleo de girassol {m}  :: sunflower oil (vegetable oil)
óleo diesel {m}  :: diesel (fuel)
óleo vegetal {m}  :: vegetable oil (oil produced from plants)
ôlha {f}  :: obsolete spelling of olha
Óliver {prop}  :: Oliver (male given name)
ómega {m}  :: omega (Greek letter)
ómega {m}  :: the end
ômicron {m} [Brazil]  :: alternative form of ómicron
ómicron {m} [Portugal]  :: omicron (Greek letter)
ônibus {m} [Brazil]  :: bus (vehicle)
ônibus escolar {m} [Brazil]  :: school bus (transport for schoolchildren)
ônibus espacial {m}  :: space shuttle (vehicle capable of travelling repeatedly between Earth and outer space)
ônix {m} [Brazil]  :: alternative form of ónix
ónix {m} [Portugal]  :: onyx (a banded variety of chalcedony)
ôntica {adj}  :: feminine form of ôntico
ônticas {adj}  :: feminine plural of ôntico
ôntico {adj}  :: ontic
ônus {m} [Brazil]  :: alternative form of ónus
ónus {m}  :: onus
ônus da prova {m} [Brazil]  :: alternative form of ónus da prova
ónus da prova {m} [legal, Portugal]  :: burden of proof (duty of a party in a legal proceeding)
o {art}  :: the
o {pron}  :: him, it (as a direct object; as an indirect object, see lhe; after prepositions, see ele)
-o {suffix}  :: forms the 1st-person singular present indicative of verbs
o amor é cego {proverb}  :: love is blind (a person can see no faults in the person he loves)
Ob {prop}  :: Ob (Ob River)
oba {interj} [usually, childish]  :: whee; yay (expression of pleasure or enjoyment)
obcecar {v}  :: to blind (from facts, from the truth)
obedecer {v}  :: obey (to do as ordered)
obediente {adj}  :: dutiful
obediente {adj}  :: obedient
obedientemente {adv}  :: obediently
obediência {f}  :: obedience (quality of being obedient)
obelisco {m}  :: obelisk (a tall stone monolith topped with a pyramidal point)
obesidade {f}  :: obesity
obeso {adj}  :: obese
obituário {m}  :: obituary (biography of a recently deceased person)
obituário {m}  :: obituary (published notice of recent deaths)
objecção {f}  :: obsolete spelling of objeção
objectivamente {adv}  :: objectively
objectividade {f}  :: obsolete spelling of objetividade
objectivo {adj}  :: obsolete spelling of objetivo
objectivo {m}  :: obsolete spelling of objetivo
objecto {m}  :: obsolete spelling of objeto
objecto voador não identificado {m}  :: obsolete spelling of objeto voador não identificado
objecto voador não-identificado {m}  :: obsolete spelling of objeto voador não identificado
objeção {f}  :: objection
objetando {v}  :: gerund of objetar
objetar {v}  :: to demur
objetar {v}  :: to object
objetiva {adj}  :: feminine form of objetivo
objetiva {f}  :: objective (lens closest to the object being examined)
objetividade {f}  :: objectivity (the state of being objective, unbiased)
objetividade {f} [philosophy]  :: objectivity
objetivo {adj}  :: objective
objetivo {adj}  :: unbiased
objetivo {m}  :: aim, objective
objeto {m} [computing]  :: object (class or structure)
objeto {m} [grammar]  :: object (in a sentence, the receiver of an action)
objeto {m}  :: object; thing
objeto {m}  :: that to which emotions or an action is directed towards
objeto voador não identificado {m}  :: UFO; alien spacecraft
objeto voador não identificado {m}  :: unidentified flying object (anything not readily explainable appearing to move through or be suspended in the air)
objeto voador não-identificado {m}  :: alternative spelling of objeto voador não identificado
obliteração {f}  :: obliteration (the total destruction of something)
oblíqua {adj}  :: feminine form of oblíquo
oblíquas {adj}  :: feminine plural of oblíquo
oblíquo {adj}  :: aslant
oblíquo {adj}  :: asquint
oblíquo {adj}  :: oblique
oboé {m} [musical instrument]  :: oboe
obra {f}  :: construction (process of constructing, building)
obra {f}  :: construction site (place where a building is under construction)
obra {f}  :: work (literary, artistic, or intellectual production)
obra prima {f}  :: masterpiece (exceptional good piece of work)
obrigacional {adj}  :: obligatory, mandatory
obrigada {interj} [used by a female]  :: feminine form of obrigado thanks
obrigadas {adj}  :: feminine plural of obrigado
obrigado {adj}  :: obligatory; mandatory (required or commanded by authority)
obrigado {interj} [used by a male]  :: thanks; thank you
obrigado {m}  :: a thank you (instance of expressing gratitude)
obrigado {m} [legal]  :: someone bound by a legal obligation
obrigando {v}  :: gerund of obrigar
obrigação {f}  :: duty
obrigar {v}  :: to force
obrigar {v}  :: to oblige, compel
obrigatoriamente {adv}  :: mandatorily
obrigatória {adj}  :: feminine form of obrigatório
obrigatórias {adj}  :: feminine plural of obrigatório
obrigatório {adj}  :: mandatory; obligatory
obscenidade {f} [lb, pt, specifically]  :: obscenity; profanity; curse (an offensive word or expression)
obscenidade {f} [lb, pt, uncountable]  :: obscenity (the quality of being obscene)
obscenidade {f}  :: obscenity (an obscene thing or act)
obsceno {adj}  :: obscene (offensive to current standards of decency or morality)
obscura {adj}  :: feminine form of obscuro
obscuras {adj}  :: feminine plural of obscuro
obscuridade {f}  :: darkness, gloom
obscuridade {f}  :: obscurity
obscuro {adj}  :: dark, gloomy
obscuro {adj}  :: obscure
observador {m}  :: observer (person sent as a representative to monitor but not to participate in an event)
observador {m}  :: observer (someone who observes something)
observando {v}  :: gerund of observar
observação {f}  :: observation
observar {v}  :: to observe
observatório {m}  :: observatory
observância {f}  :: observance
observável {adj}  :: observable
obsessivo {adj}  :: obsessive (excessively preoccupied with something)
obsessão {f}  :: fixation, obsession
obsessão {f} [psychology]  :: obsession (compulsive or irrational preoccupation)
obsessão {f} [theology]  :: vexation caused by the Devil’s influence, without possession
obsidiana {f} [mineral]  :: obsidian (a type of black volcanic glass)
obsolescência {f}  :: obsolescence (the state of being obsolete)
obsolescência planejada {f}  :: planned obsolescence (policy of deliberately designing a product to become obsolete or useless soon)
obsolescência programada {f}  :: planned obsolescence (policy of deliberately designing a product to become obsolete or useless soon)
obsoleta {adj}  :: feminine form of obsoleto
obsoletas {adj}  :: feminine plural of obsoleto
obsoleto {adj}  :: obsolete, outdated
obstáculo {m}  :: obstacle (something that impedes, stands in the way of, or holds up progress)
obstetra {mf} [medicine]  :: obstetrician (physician who specialises in childbirth)
obstetrício {adj}  :: obstetric (relating to obstetrics)
obstinado {adj}  :: obstinate (adhering to an opinion, purpose or course, usually unreasonably)
obstruindo {v}  :: gerund of obstruir
obstruir {v}  :: to obstruct, block
obstrução {f}  :: obstruction, obstacle
obstrução {f}  :: occlusion
obstrução {f}  :: stonewalling
obstrutivo {adj}  :: obstructive (which causes obstructions)
obstétrico {adj}  :: obstetric (relating to obstetrics)
obtemperando {v}  :: gerund of obtemperar
obtemperar {v}  :: to acquiesce
obtendo {v}  :: gerund of obter
obtenção {f}  :: obtainment
obter {v}  :: to obtain, get
obturador {m}  :: shutter (photography)
obturando {v}  :: gerund of obturar
obturação {f}  :: obturation, clogging, obstruction
obturar {v}  :: to block, clog, obturate
obtuso {adj}  :: blunt (having a thick edge or point; not sharp)
obtuso {adj} [geometry, of an angle]  :: obtuse (greater than 90 degrees but less than 180 degrees)
obtuso {adj}  :: obtuse; blunt (intellectually dull)
obus {m}  :: howitzer
obviamente {adv}  :: In context of being known by simple observation; obviously; evidently; clearly
ocê {pron}  :: eye dialect of você
oca {adj}  :: feminine form of oco
ocapi {m}  :: okapi (Okapia johnstoni, a large ruminant of the Congo)
o caralho {interj} [vulgar]  :: fucking no!
ocarina {f} [musical instruments]  :: ocarina (an oval wind instrument)
ocas {adj}  :: feminine plural of oco
ocasião {f}  :: occasion (favorable opportunity)
ocasional {adj}  :: occasional (limited to certain occasions; not occurring very often)
ocasionalmente {adv}  :: occasionally (at infrequent intervals)
ocasionando {v}  :: gerund of ocasionar
ocasionar {v}  :: to arise
ocasionar {v}  :: to motivate
ocasionar {v}  :: to occasion, entail
ocasionar {v}  :: to provide (an opportunity)
ocaso {m}  :: dusk (a period of time occurring at the end of the day during which the sun sets)
ocaso {m} [lb, pt, figurative]  :: decline; downfall
occidental {adj}  :: obsolete spelling of ocidental
occidente {m}  :: obsolete spelling of ocidente
occipício {m} [lb, pt, anatomy]  :: occiput (back of the head or skull)
occipital {adj} [anatomy]  :: occipital, pertaining to the back of the head
occipital {m} [skeleton]  :: the occipital bone
occiput {m} [lb, pt, anatomy]  :: occiput (back of the head or skull)
occitana {adj}  :: feminine form of occitano
occitanas {adj}  :: feminine plural of occitano
occitano {adj}  :: Occitan (of the Occitan language)
occitano {m}  :: Occitan (the Romance language)
occitânico {adj}  :: Occitan (relating to the Occitan language)
occitânico {m}  :: Occitan (a Romance language spoken in southern France)
occorrer {v}  :: obsolete spelling of ocorrer
occorrência {f}  :: obsolete spelling of ocorrência
Oceania {prop}  :: Oceania (a geographical region composed of many islands)
oceano {m}  :: ocean
Oceano {n} [Greek god]  :: Oceanus
oceano Antártico {prop}  :: The Antarctic Ocean
oceano Atlântico {prop}  :: The Atlantic Ocean
oceanografia {f}  :: oceanography
oceano Índico {prop}  :: The Indian Ocean
oceano Pacífico {prop}  :: The Pacific Ocean
oceano Ártico {prop}  :: The Arctic Ocean
oceanário {m}  :: oceanarium (park where visitors can see marine animals)
ocelo {m} [lb, pt, zoology]  :: eye (mark on an animal resembling an eye)
ocelo {m} [lb, pt, zoology]  :: the eye of arthropods
ocelote {m}  :: ocelot (Felis pardalis, a feline of the Americas)
oceâneo {adj}  :: oceanic
Oceânia {prop}  :: Oceania
oceânica {adj}  :: feminine form of oceânico
oceânicas {adj}  :: feminine plural of oceânico
oceânico {adj}  :: oceanic (ocean)
oceânico {adj}  :: Oceanic (Oceania)
oceânide {f} [Greek mythology]  :: Oceanid (any of the daughters of Oceanus and Tethys)
ocidental {adj}  :: Western (pertaining to the West)
ocidental {adj}  :: west; western (of, facing, situated in, or related to the west)
ocidentalização {f}  :: westernisation (the assimilation of Western culture)
ocidente {m}  :: occident
ocidente {m}  :: west
Ocidente {prop}  :: West (western world)
ociosa {adj}  :: feminine form of ocioso
ociosas {adj}  :: feminine plural of ocioso
ociosidade {f}  :: idleness, inactivity
ociosidade {f}  :: laziness
ocioso {adj}  :: idle (not engaged in any occupation or employment)
ocioso {adj}  :: lazy; work-shy
ocioso {adj}  :: not being used
ocioso {adj} [of a period of time]  :: when there is nothing to do
oclusiva {adj}  :: feminine form of oclusivo
oclusiva {f} [phonetics]  :: stop; plosive (consonant produced by blocking the passage of air)
oco {adj}  :: hollow
ocorrer {v}  :: to occur, happen
ocorrência {f}  :: occurrence (actual instance where a situation arises)
ocorrência {f} [uncountable]  :: the intensity or quantity of something which occurs in a specific location or point in time; incidence
ocra {f}  :: ochre (earth pigment containing silica, aluminium and ferric oxide)
ocre {m}  :: alternative form of ocra
octaédrica {adj}  :: feminine form of octaédrico
octaédricas {adj}  :: feminine plural of octaédrico
octaédrico {adj}  :: octahedral
octaedro {m}  :: octahedron (a polyhedron with eight faces)
octahedro {m}  :: obsolete spelling of octaedro
octamérica {adj}  :: feminine form of octamérico
octaméricas {adj}  :: feminine plural of octamérico
octamérico {adj}  :: octameric
octana {f}  :: alternative form of octano
octanagem {f}  :: octane number, octane rating
octano {m} [organic compound]  :: octane (isomeric aliphatic hydrocarbons)
octeno {m} [organic compound]  :: octene
octeto {m} [music, specifically]  :: octet (group of eight musicians performing together)
octeto {m}  :: octet (group of eight)
octógono {m}  :: octagon
octil {m} [organic chemistry]  :: octyl
octingentésimo {ordinal num}  :: eight hundredths
octogésimo {ordinal num}  :: eightieth
octóxido {m} [inorganic chemistry]  :: octoxide
oculista {mf}  :: ophthalmologist (medical doctor specialising in the eye)
oculista {mf}  :: optician (a person who makes or sells lenses, spectacles)
oculta {adj}  :: feminine form of oculto
ocultador {adj}  :: which conceals
ocultador {m}  :: concealer (someone of something that conceals)
ocultar {vt}  :: to conceal (to hide (something))
ocultas {adj}  :: feminine plural of oculto
ocultismo {m}  :: occultism (study of supernatural powers)
ocultista {mf}  :: occultist (person who practises occultism)
oculto {adj}  :: occult
ocupando {v}  :: gerund of ocupar
ocupação {f}  :: employment
ocupação {f}  :: occupation, job
ocupar {v}  :: to occupy (all senses)
o céu vir abaixo {v} [lb, pt, of a situation]  :: to become chaotic
o céu vir abaixo {v}  :: to rain cats and dogs (to rain very heavily)
odalisca {f} [historical]  :: odalisque (a female harem slave)
ode {f}  :: ode
Odemira {prop}  :: A Portuguese city in Beja district
odeão {m}  :: odeon (ancient Greek or Roman building)
odeom {m}  :: rare form of odeão
Odessa {prop}  :: Odessa (Ukrainian city)
odiador {m}  :: hater (one who hates)
odiadora {f}  :: feminine form of odiador
odiadoras {n}  :: feminine plural of odiador
Odiana {prop}  :: alternative form of Guadiana
odiando {v}  :: gerund of odiar
odiar {v}  :: to hate
Odin {prop} [Norse mythology, and, heathenry]  :: Odin (in Norse mythology, the supreme god)
odioso {adj}  :: odious (arousing strong dislike)
odisseia {f}  :: odyssey (extended adventurous voyage or quest)
Odisseu {prop} [Greek mythology]  :: Odysseus (son of Laertes; Greek leader during the Trojan War)
odisséia {f}  :: obsolete spelling of odisseia
Odisséia {prop}  :: Odyssey
Odivelas {prop}  :: A Portuguese city in Lisboa district
odontológica {adj}  :: feminine form of odontológico
odontológicas {adj}  :: feminine plural of odontológico
odontológico {adj}  :: odontological, dental
odontologia {f}  :: dentistry (field of medicine which deals with the teeth)
odor {m}  :: odour; smell
odorizar {v}  :: to scent (to impart an odour to)
OEA {initialism}  :: Organização dos Estados Americanos: OAS
Oeiras {prop}  :: A Portuguese village in Lisboa district
o espírito está pronto, mas a carne é fraca {proverb}  :: the spirit is willing but the flesh is weak (acheiving something is made impossible by frailty)
oeste {m}  :: west (compass point)
ofício {m}  :: craft, trade
ofício {m}  :: occupation
ofício {m}  :: profession
ofídia {adj}  :: feminine form of ofídio
ofídias {adj}  :: feminine plural of ofídio
ofídio {adj}  :: ophidian
ofídio {m}  :: snake
ofegando {v}  :: gerund of ofegar
ofegante {adj}  :: out of breath (breathing with difficulty)
ofegar {v}  :: to pant, puff
ofegar {v}  :: to yearn
ofendendo {v}  :: gerund of ofender
ofender {v}  :: to displease
ofender {v}  :: to offend
ofendido {adj}  :: injured
ofendido {adj}  :: offended
ofensa {f}  :: insult (anything that causes offence by being of an unacceptable quality)
ofensa {f}  :: insult; offense (act of offending)
ofensa {f}  :: offensive; attack
ofensa {f}  :: something which causes physical harm
ofensiva {adj}  :: feminine form of ofensivo
ofensiva {f} [lb, pt, military]  :: offensive (a large-scale attack)
ofensivo {adj} [lb, pt, military, sports]  :: offensive (relating to attacks)
ofensivo {adj}  :: offensive (causing offence)
oferecendo {v}  :: gerund of oferecer
oferecer {v}  :: to give, present
oferecer {v}  :: to offer, bid, tender
oferecer {v}  :: to proffer
oferecimento {m}  :: offering, offer
oferta {f}  :: offer
officiaes {adj}  :: obsolete spelling of oficiais
officiaes {n}  :: obsolete spelling of oficiais
officiais {adj}  :: obsolete spelling of oficiais
officiais {n}  :: obsolete spelling of oficiais
official {adj}  :: obsolete spelling of oficial
official {mf}  :: obsolete spelling of oficial
officiays {adj}  :: obsolete spelling of oficiais
officiays {n}  :: obsolete spelling of oficiais
oficiaes {adj}  :: obsolete spelling of oficiais
oficiaes {n}  :: obsolete spelling of oficiais
oficial {adj}  :: official
oficial {mf}  :: officer, official
oficial de justiça {m} [lb, pt, legal]  :: bailiff (legal officer to whom some degree of authority)
oficialmente {adv}  :: officially
oficiays {adj}  :: obsolete spelling of oficiais
oficiays {n}  :: obsolete spelling of oficiais
oficina {f}  :: automobile garage, shop
oficina {f}  :: workshop
oficiosa {adj}  :: feminine form of oficioso
oficiosas {adj}  :: feminine plural of oficioso
oficioso {adj}  :: disinterested
oficioso {adj}  :: obsequious
oficioso {adj}  :: unofficial
Ofiúco {prop} [lb, pt, zodiac constellations]  :: Ophiuchus (zodiacal constellation of the northern summer)
ofidiofobia {f}  :: ophiophobia (fear of snakes)
ofiuroide {m}  :: brittle star (any of various echinoderms of the class Ophiuroidea)
Ofélia {prop}  :: Ophelia (female given name)
oftalmologia {f} [medicine]  :: ophthalmology (medical study of the eye)
oftalmologista {mf}  :: ophthalmologist (medical doctor specialising in the eye)
oftálmico {adj} [medicine]  :: ophthalmic (of or pertaining to the eyes)
ofuscar {v}  :: to outshine
ogano {adv} [lb, pt, now, rare]  :: this year (during the current year)
ogiva {f}  :: nose cone or warhead (of a missile)
ogiva {f}  :: ogive
ogre {m} [Portugal]  :: alternative form of ogro
ogro {m}  :: ogre (brutish giant)
oguz {m}  :: Oghuz (a member of the western Turkic people)
o hábito não faz o monge {proverb}  :: clothes don't make the man
Ohio {prop}  :: Ohio (river)
Ohio {prop}  :: Ohio (U.S. state)
ohm {m}  :: ohm (the derived unit of electrical resistance)
oh minha nossa {interj}  :: oh my gosh!
oi {interj}  :: A request to repeat a message for clarification, like I beg your pardon and excuse me
oi {interj}  :: hi
oiça {f}  :: ear
OIAC {initialism}  :: Organização Internacional de Aviação Civil: ICAO
-oico {suffix} [organic chemistry]  :: -oic
oinc {interj}  :: oink (onomatopoeia of a pig’s sound)
oiro {m}  :: alternative form of ouro
oiros {mp}  :: obsolete form of ouros
oitavo {ordinal num}  :: eighth
oiteiro {m}  :: alternative form of outeiro
oitenta {m}  :: eighty
oitenta {num}  :: eighty
oito {m}  :: eight
oito {num}  :: eight
oitocentas {adj}  :: feminine form of oitocentos
oitocentos {m}  :: eight hundred
oitocentos {num}  :: eight hundred
ojíbua {m}  :: alternative spelling of ojibwa
ojibwa {adj}  :: relating to the Ojibwe people
ojibwa {m}  :: Ojibwe (an Algonquian language)
ojibwe {m}  :: alternative form of ojibwa
ok {interj} [alternative case form of, OK]  ::
ok {m} [alternative case form of, OK]  ::
Ok {interj}  :: alternative spelling of OK
OK {interj}  :: OK (indicates acknowledgement or acceptance)
OK {m}  :: OK (an indication of acknowledgement or acceptance)
okara {m}  :: okara (a food made from soybean pulp)
Oklahoma {prop}  :: Oklahoma (state)
olá {interj}  :: hello; hi (greeting)
ola {f}  :: wave (a group activity in a crowd imitating a wave going through water, where people in successive parts of the crowd stand and stretch upward, then sit)
olaria {f}  :: pottery (workshop where pottery is made)
Olavo {prop}  :: Olaf (male given name)
olíbano {m}  :: frankincense; olibanum (gum resin from trees of the genus Boswellia)
oleado {adj}  :: oiled (greased with oil)
oleado {m}  :: tarpaulin (heavy, waterproof sheet of material)
oleaginoso {adj}  :: oleaginous; oily (containing oil)
olear {vt}  :: to oil (to grease with oil)
oleento {adj}  :: oily (smeared with or containing oil)
olefina {f} [organic chemistry]  :: olefin
oleira {f}  :: feminine form of oleiro
oleiro {m}  :: potter
Oleiros {prop}  :: A Portuguese village in Castelo Branco district
oleogravura {f}  :: oleograph
oleoso {adj}  :: oily (smeared with or containing oil)
olfacto {m}  :: obsolete spelling of olfato
olfato {m}  :: olfaction (the sense of smell)
olha {f}  :: a stew prepared with meat, chickpeas, peas and other vegetables
olha {f} [obsolete]  :: a type of large, earthenware pan
olhadela {f}  :: look, glance, glimpse
olhar {m}  :: gaze; stare; look
olhar {m}  :: glance
olhar {v}  :: to look
olhar antes de saltar {v} [lb, pt, idiomatic]  :: to look before one leaps (to be circumspect)
olhar antes de saltar {v} antes|de|saltar
olheira {f} [lb, pt, usually plural]  :: dark circles under the eyes
olheiro {m}  :: scout (one who seeks out promising talent)
olhinho {m} [usually, childish]  :: diminutive form of olho
olhão {f}  :: augmentative form of olho
olhão {v}  :: obsolete form of olham
olho {m} [anatomy]  :: eye
olho {m}  :: eye, center (of a storm, etc.)
Olhão {prop}  :: A Portuguese city in Faro district
olho bobo {m} [slang]  :: wandering eye
olho da goiaba {m}  :: anus
olho da rua {m} [idiomatic]  :: the street, as residence of a homeless person
olho mágico {m}  :: a peephole with fisheye lens in a door
olho por olho {m}  :: eye for an eye (the principle that a person who has injured another has to be penalised in the same way)
olho por olho, dente por dente {proverb}  :: eye for an eye, a tooth for a tooth (people who injure another have to be penalised in the same way)
olho roxo {m}  :: black eye (bruise around the eye)
oléica {adj}  :: feminine form of oléico
oléicas {adj}  :: feminine plural of oléico
oléico {adj} [organic chemistry]  :: oleic
oligarca {n}  :: oligarch (a member of an oligarchy)
oligarquia {f} [lb, pt, uncountable]  :: oligarchy (government by only a few)
oligarquia {f}  :: oligarchy (state ruled by such a government)
oligarquia {f}  :: oligarchy (those who make up an oligarchic government)
oligárquico {adj}  :: oligarchic (of or relating to oligarchy)
olimpíada {f} [historical, Ancient Greece]  :: Olympiad (period of four years)
olimpíada {f}  :: Olympiad (an occurrence of the Olympic games)
Olimpíada {prop}  :: Olympics (sport event)
Olimpíadas {prop}  :: Olympics (sport event)
Olimpo {prop}  :: Olympus (mountain)
olisiponense {adj}  :: Lisboner (of, from or relating to Lisbon)
olisiponense {mf}  :: Lisboner; Lisbonite (someone from Lisbon)
Olissipo {prop}  :: an Ancient Roman city in Iberia, modern Lisbon, Portugal
olissiponense {adj}  :: alternative form of olisiponense
olissiponense {mf}  :: alternative form of olisiponense
oliva {f}  :: olive (fruit)
oliva {f}  :: olive (tree)
oliveira {f}  :: olive tree
Oliveira de Azeméis {prop}  :: A Portuguese city in Aveiro district
Oliveira de Frades {prop}  :: A Portuguese village in Viseu district
Oliveira do Bairro {prop}  :: A Portuguese city in Aveiro district
Oliveira do Hospital {prop}  :: A Portuguese city in Coimbra district
Olivério {prop}  :: Oliver (male given name)
olmo {m}  :: elm
olímpica {adj}  :: feminine form of olímpico
olímpico {adj}  :: Olympic
Oltênia {prop}  :: Oltenia
Olívia {prop}  :: Olivia (female given name)
olvidar {v}  :: to forget
olvidável {adj}  :: forgettable
Omã {prop}  :: Oman (country in the Middle East)
omani {adj}  :: Omani (of, from or relating to Oman)
omani {n}  :: Omani (person from Oman)
omaniano {adj}  :: Omani (of, from or relating to Oman)
omanita {adj}  :: Omani (of, from or relating to Oman)
omanita {n}  :: Omani (person from Oman)
ombro {m}  :: shoulder (joint between arm and torso)
ombudsman {m}  :: ombudsman (official who investigates complaints)
OMC {acronym}  :: WTO; acronym of Organização Mundial do Comércio
omeleta {f}  :: alternative form of omelete
omelete {f}  :: omelette (dish made with beaten eggs)
omelette {f}  :: alternative form of omelete
o mesmo {pron} [literary]  :: third-person masculine singular personal pronoun; he or it
o mesmo {pron} mesmo
ominoso {adj}  :: of ill-omen
omissão {f}  :: lack
omissão {f}  :: omission
omitir {vt}  :: to omit (to leave out or exclude)
omni- {prefix}  :: omni- (all)
omnidireccional {adj}  :: superseded spelling of omnidirecional
omnidirecional {adj}  :: omnidirectional (in every direction)
omnipotente {adj} [Portugal]  :: omnipotent
omnipresença {f}  :: omnipresence
omnipresente {adj} [Portugal]  :: omnipresent
omnisciente {adj} [lb, pt, Portugal]  :: omniscient (having total knowledge)
omnisciência {f}  :: omniscience
omnívoro {adj} [lb, pt, Portugal, of an animal species]  :: omnivorous (which eats both plants and meat)
omnívoro {m} [lb, pt, Portugal]  :: omnivore (animal which eats both plants and meat)
omoplata {f} [skeleton, dated]  :: shoulder blade (bone)
OMPI {initialism}  :: Organização Mundial da Propriedade Intelectual: WIPO
Omsk {prop}  :: Omsk (large city in Russia)
o mundo dá voltas {proverb}  :: long time no see
o mundo dá voltas {proverb}  :: what goes around comes around (actions have consequences)
o máximo {adj}  :: great
onça {f}  :: jaguar (Panthera onca)
onça {f}  :: ounce [28.3495 g mass; 29.573 ml volume (US) or 28.4 ml (UK)]
onça {f} [regional, Angola]  :: leopard (Panthera pardus)
onça d'água {f}  :: alternative spelling of onça-d'água
onça-d'água {f}  :: giant otter (Pteronura brasiliensis, a mustelid of South America)
onagro {m}  :: onager (Ancient Roman war machine)
onagro {m}  :: onager (wild ass)
onanismo {m}  :: onanism (masturbation)
onça-parda {f}  :: cougar (Puma concolor)
onça-pintada {f}  :: jaguar (Panthera onca)
oncogénica {adj}  :: feminine form of oncogénico
oncogénicas {adj}  :: feminine plural of oncogénico
oncogénico {adj}  :: oncogenic
oncologia {f}  :: oncology (branch of medicine that studies tumours)
oncologista {mf}  :: oncologist (one who specialises in oncology)
onda {f} [physics]  :: wave (moving disturbance in the energy level of a field)
onda {f}  :: undulation (a wavy appearance or outline)
onda {f}  :: wave (moving disturbance in a liquid)
onda {f}  :: wave (sudden unusually large amount of something that is temporarily experienced)
onda de calor {f}  :: heatwave (period of very hot weather)
onda de choque {f} [physics]  :: shock wave (a powerful compression wave)
onda de maré {f}  :: tidal wave (large and sudden rise and fall in the tide)
onda dente de serra {f} [lb, pt, mathematics, engineering]  :: sawtooth wave (function or waveform that ramps upwards and then sharply drops)
onda eletromagnética {f} [physics]  :: electromagnetic wave (wave of electromagnetic radiation)
onde {adv} [interrogative]  :: where (at what place; to what place; what place)
onde {conj}  :: where (at or in which place or situation)
onde {pron}  :: where (the place in which)
ondear {vt}  :: to wave (to cause to move back and forth or up and down repeatedly)
ondear {vt}  :: to wave (to make hair wavy)
onde há fumaça, há fogo {proverb}  :: alternative form of onde há fumo, há fogo
onde há fumo, há fogo {proverb} [Portugal]  :: where there's smoke, there's fire (if there is telltale evidence of some event, the event is probably occurring)
onde quer que {conj} [lb, pt, followed by a verb in the subjunctive]  :: wherever (in any place, anywhere)
ondulado {adj}  :: wavy
ondulado {v}  :: past participle of ondular
ondulando {v}  :: gerund of ondular
ondulação {f}  :: ripple
ondulação {f}  :: undulation
ondular {v}  :: to undulate, ripple, wave
onerando {v}  :: gerund of onerar
oneração {f}  :: encumbrance
onerar {v}  :: to encumber, overload
onerar {v}  :: to overtax
onerosa {adj}  :: feminine form of oneroso
oneroso {adj}  :: onerous; burdensome (imposing or constituting a physical, mental or figurative burden)
onfalo- {prefix}  :: omphalo- (relating to the navel)
onfalocele {f}  :: omphalocele (hernia of the navel)
ONG {acronym}  :: NGO; acronym of organização não-governamental
oni- {prefix} [lb, pt, Brazil]  :: alternative form of omni-
onidirecional {adj} [Brazil]  :: alternative form of omnidirecional
onipotente {adj} [Brazil]  :: alternative form of omnipotente
onipresença {f}  :: omnipresence
onipresente {adj} [Brazil]  :: omnipresent
onirologia {f}  :: oneirology (the study of dreams)
onironauta {n} [lb, pt, rare]  :: oneironaut (explorer of dream worlds)
onisciente {adj} [Brazil]  :: alternative form of omnisciente
online {adj}  :: online (connected to the Internet)
online {adj}  :: online (which takes place over the Internet)
onomasiologia {f}  :: onomasiology (branch of lexicology concerned with the names of concepts)
onomatopaico {adj}  :: onomatopoeic (of, relating to or being an onomatopoeia)
onomatopeia {f}  :: onomatopoeia (word that sounds like what it represents)
onomatopeia {f} [uncountable]  :: onomatopoeia (property of a word of sounding like what it represents)
onomatopeico {adj}  :: alternative form of onomatopaico
onomatopéia {f}  :: obsolete spelling of onomatopeia
onomatópico {adj}  :: alternative form of onomatopaico
onomástica {f}  :: onomastics (branch of lexicology devoted to the study of names)
ontem {adv}  :: yesterday
ontológico {adj}  :: ontological (of or relating to ontology)
ontologia {f} [philosophy]  :: ontology (study of being)
Ontário {prop}  :: Ontario (city in California)
Ontário {prop}  :: Ontario (lake between Ontario province and New York State)
Ontário {prop}  :: Ontario (province in eastern Canada)
Ontário {prop}  :: Ontario (town in Oregon)
ONU {acronym}  :: UN; acronym of Organização das Nações Unidas
onívoro {adj} [Brazil]  :: alternative form of omnívoro
onívoro {m} [Brazil]  :: alternative form of omnívoro
onyx {m}  :: obsolete spelling of ónix
onze {m}  :: eleven
onze {num}  :: eleven
opa {f}  :: a type of cape used by members of the clergy
opa {interj}  :: hey (informal greeting)
opa {interj}  :: hey (protest or reprimand)
opa {interj}  :: oops (acknowledging a minor mistake)
opaco {adj}  :: opaque (allowing little light to pass through)
opala {f}  :: opal (mineral)
opcional {adj}  :: optional
OPEP {prop}  :: OPEC; acronym of Organização dos Países Exportadores de Petróleo
operador {m}  :: operator
operador {m}  :: surgeon
operando {v}  :: gerund of operar
operação {f}  :: operation (method by which a device performs its function)
operar {v}  :: to operate, function
operatório {adj}  :: operative (relating to surgical operation)
operário {m}  :: operative, operator
operário {m}  :: worker, workman
ophídia {adj}  :: feminine form of ophídio
ophídias {adj}  :: feminine plural of ophídio
ophídio {adj}  :: obsolete spelling of ofídio
ophídio {m}  :: obsolete spelling of ofídio
opilião {m}  :: harvestman; daddy longlegs (arachnid with very long legs)
opinar {v}  :: to opine (to have or express an opinion)
opiniar {v} [lb, pt, uncommon]  :: alternative form of opinar
opinião {f}  :: opinion (subjective thought)
opção {f}  :: option
oponente {mf}  :: opponent; rival
oponível {adj} [legal]  :: enforceable
o pão que o diabo amassou {v} [idiomatic]  :: great suffering or strife in one's life
opor {v}  :: to oppose
oportuna {adj}  :: feminine form of oportuno
oportunas {adj}  :: feminine plural of oportuno
oportunidade {f}  :: opportunity (chance for advancement, progress or profit)
oportunismo {m}  :: opportunism (the taking of opportunities)
oportunista {mf}  :: opportunist (someone who takes advantage of any opportunity)
oportuno {adj}  :: opportune (at a convenient time)
oposicionista {mf}  :: oppositionist
oposição {f}  :: opposition (all senses)
oposição {f}  :: resistance
oposta {adj}  :: feminine form of oposto
oposto {adj}  :: opposite
opportuno {adj}  :: obsolete spelling of oportuno
opposição {f}  :: obsolete spelling of oposição
oppôr {v}  :: obsolete spelling of opor
opprimir {v}  :: obsolete spelling of oprimir
o prazer é todo meu {phrase}  :: the pleasure is all mine (a polite reaction to receiving thanks)
opressa {adj}  :: feminine form of opresso
opressas {adj}  :: feminine plural of opresso
opressão {f}  :: oppression
opressão {f}  :: oppressiveness
opresso {adj}  :: oppressed
oprimir {v}  :: to oppress (to keep down by force)
ops {interj}  :: oops (acknowledging a minor mistake)
optar {v}  :: to opt; to choose; to pick
optativa {adj}  :: feminine form of optativo
optativas {adj}  :: feminine plural of optativo
optativo {adj}  :: optional (left to personal choice)
optativo {m}  :: optative (mood of verbs)
optimista {adj}  :: obsolete spelling of otimista
optimista {mf}  :: obsolete spelling of otimista
optimizar {v}  :: obsolete spelling of otimizar
optoeletrônica {adj}  :: feminine form of optoeletrônico
optoeletrônicas {adj}  :: feminine plural of optoeletrônico
optoeletrônico {adj} [physics]  :: optoelectronic
oq {adv} [Internet slang]  :: abbreviation of o que
oq {adv} [Internet slang]  :: abbreviation of o quê
o quê {pron} [interrogative]  :: what (only in a sentence’s object)
o qual {pron}  :: which; whom (relative pronoun)
o quanto {adv}  :: how much time, money or effort
o quanto antes {adv}  :: as soon as possible
o que {pron} [interrogative]  :: what
o que {pron} [relative]  :: what
o que não mata, engorda {proverb}  :: Every substance is certainly either edible or lethal
o que é, o que é {phrase} [childish]  :: Introduces a type of childish joke where a description of an object, person or situation is given in order to the interlocutor guess what is being described
o que os olhos não veem o coração não sente {proverb}  :: out of sight, out of mind (something not nearby is forgotten)
ora {adv}  :: now
ora {conj}  :: sometimessometimes
orçado {v}  :: past participle of orçar
orador {m}  :: orator; speaker (one who makes a speech to an audience)
orador {m}  :: prayer (one who prays)
oradora {f}  :: feminine form of orador
orago {m}  :: patron saint
oral {adj}  :: oral
orçamento {m}  :: budget
orçamentário {adj}  :: budgetary (of or relating to budgets)
orçando {v}  :: gerund of orçar
orangotango {m}  :: orangutan (any ape of the genus Pongo, native to Borneo and Sumatra)
oração {f} [grammar]  :: clause
oração {f}  :: prayer (practice of communicating with one's God)
orar {v}  :: pray (to petition a higher being)
orçar {v}  :: to budget
orçar {v}  :: to calculate, compute, reckon
orçar {v}  :: to quote, estimate (supply a quotation / estimate for work)
orata {f}  :: gilt-head bream (Sparus aurata, a fish of the Mediterranean)
oratória {f}  :: oratory
oratório {adj}  :: oratorical
oratório {m}  :: chapel, oratory
oratório {m}  :: shrine
orbe {m}  :: orb (spherical body)
orbital {adj}  :: orbital (of or relating to an orbit)
orbital {adj}  :: orbital (of or relating to the eye socket)
orbitar {v}  :: to orbit
orbitela {adj}  :: feminine form of orbitelo
orbitelas {adj}  :: feminine plural of orbitelo
orbitelo {adj}  :: orb weaver (said of spiders)
orc {m} [fantasy]  :: orc (evil, monstrous humanoid creature)
orca {f}  :: orca
oráculo {m}  :: oracle
ordeira {adj}  :: feminine form of ordeiro
ordeiras {adj}  :: feminine plural of ordeiro
ordeiro {adj}  :: conservative
ordeiro {adj}  :: orderly
ordem {f} [architecture]  :: classical order
ordem {f} [christianity]  :: sacrament which makes someone member of the clergy
ordem {f} [mathematics]  :: order (highest exponent in a polynomial)
ordem {f} [mathematics]  :: order (number of elements in a set or related structure)
ordem {f}  :: order (arrangement, disposition)
ordem {f}  :: order; command
ordem {f}  :: order (group of religious adherents)
ordem {f}  :: order (society of knights)
ordem {f}  :: peace; tranquility; harmony
ordem {f} [taxonomy]  :: order (taxonomical rank)
ordem {f} [uncountable]  :: order (the state of being well arranged)
ordem de grandeza {f} [lb, pt, mathematics]  :: order of magnitude
Ordem dos Cavaleiros Teutônicos {prop} [Brazil]  :: alternative form of Ordem dos Cavaleiros Teutónicos
Ordem dos Cavaleiros Teutónicos {prop} [Portugal]  :: Teutonic Knights (order)
ordenado {adj}  :: ordered (past participle of ordenar)
ordenado {m}  :: wages
ordenança {f} [military]  :: orderly; batman
ordenação {f}  :: arrangement, layout
ordenação {f}  :: ordering
ordenação {f}  :: ordination
ordenar {v} [christianity]  :: to ordain (admit into the ministry of the Christian church)
ordenar {v}  :: to order (to issue a command)
ordenar {v}  :: to sort; to order (to set in (any) order)
ordenhadora {f}  :: feminine form of ordenhador
ordenhar {v}  :: to milk (to express milk from mammal)
ordinal {adj}  :: ordinal (indicating position in a numerical sequence)
ordinariamente {adv}  :: ordinarily
ordinária {adj}  :: feminine form of ordinário
ordinárias {adj}  :: feminine plural of ordinário
ordinário {adj}  :: bad; low-quality
ordinário {adj} [of a person]  :: having low moral character
ordinário {adj}  :: ordinary; customary; routine
ordinário {m}  :: a person with low-moral character
Oregão {prop}  :: alternative form of Oregon
Oregon {prop}  :: Oregon (northwestern state of the United States of America)
Orel {prop}  :: Oryol (a city in Russia)
orelha {f} [anatomy]  :: ear
orelha-de-judas {f}  :: wood ear (an edible fungus in the genus Auricularia which grows on wood)
Oremburgo {prop}  :: Orenburg (city in Russia)
orfanato {m}  :: orphanage
Orfeu {prop} [Greek mythology]  :: Orpheus
organela {f} [cytology]  :: organelle
organigrama {m} [Portugal]  :: organigram, organogram, organizational chart
organismo {m}  :: ‘nosso organismo’ our / the human body
organismo {m}  :: organism (living thing)
organista {mf}  :: organist (musician who plays the organ)
organizacional {adj}  :: organizational (of, relating to or produced by an organization)
organizado {adj}  :: organized
organizador {m} [management]  :: organizer
organização {f}  :: organization
Organização Internacional de Polícia Criminal {prop}  :: Interpol (the International Criminal Police Organization)
Organização Mundial do Comércio {prop}  :: World Trade Organization
organização não-governamental {f}  :: non-governmental organisation (organisation with no government participation)
organizar {v}  :: to organize
organizável {adj}  :: Able to be organized; organizable
orégano {m}  :: oregano (leaves of the oregano plant used to flavour food)
orégano {m}  :: oregano (Origanum vulgare, a herb of the mint family)
organoborano {m} [organic chemistry]  :: organoborane
organoclorado {m} [organic chemistry]  :: organochlorine
organograma {m} [Brazil]  :: organigram, organogram, organizational chart
organoléptica {adj}  :: feminine form of organoléptico
organolépticas {adj}  :: feminine plural of organoléptico
organoléptico {adj}  :: organoleptic
organomercúrico {adj} [organic chemistry]  :: relating to organomercury
organoplúmbica {adj}  :: feminine form of organoplúmbico
organoplúmbicas {adj}  :: feminine plural of organoplúmbico
organoplúmbico {adj}  :: organolead (attributive)
orgasmo {m}  :: orgasm
orgia {f}  :: orgy
orgânica {adj}  :: feminine form of orgânico
orgânicas {adj}  :: feminine plural of orgânico
orgânico {adj} [chemistry]  :: organic
orégão {m}  :: alternative form of orégano
orgásmico {adj}  :: orgasmic (of or relating to orgasms)
orgulhando {v}  :: gerund of orgulhar
orgulhar {v}  :: to make proud
orgulhar-se {v}  :: to be proud (of)
orgulho {m}  :: pride
orgulhoso {adj}  :: proud
oriá {m}  :: Oriya (an Indo-Aryan language spoken in India)
oricterope {m}  :: aardvark (Orycteropus afer, an insectivorous mammal of Africa)
orientado {adj}  :: oriented
orientado {v}  :: past participle of orientar
orientadora educacional {f}  :: feminine form of orientador educacional
orientador educacional {m}  :: school counselor (counselor who assists students in their personal, social, academic and career development)
oriental {adj}  :: east; eastern (relating to or located in the east)
oriental {adj}  :: Eastern; Oriental (relating to Asia and Asian culture)
oriental {n} [lb, pt, historical]  :: someone from Uruguay
oriental {n}  :: someone from Asia
orientando {v}  :: gerund of orientar
orientação {f}  :: direction
orientação {f}  :: orientation
orientação {f}  :: orienteering
orientação {f}  :: vocational guidance
orientação sexual {f}  :: sexual orientation
orientar {v}  :: to guide, conduct
orientar {v}  :: to manage, oversee
orientar {v}  :: to orient, orientate
oriente {m}  :: east
Oriente {prop}  :: Orient (countries of Asia)
Oriente Médio {prop}  :: Middle East (region comprising southwest Asia and northeast Africa)
Oriente Próximo {prop}  :: Near East
orifício {m}  :: orifice (small hole)
origem {f}  :: origin
originador {m}  :: originator (someone or something originates, creates or founds something)
original {adj}  :: original (being the first in a series)
original {adj}  :: original (different; unique)
original {adj}  :: original (relating to the origin or beginning)
originalidade {f}  :: originality
originando {v}  :: gerund of originar
originar {v}  :: to cause
originar {v}  :: to originate
originar {v}  :: to provoke
originária {adj}  :: feminine form of originário
originárias {adj}  :: feminine plural of originário
originário {adj}  :: native
originário {adj}  :: original
origâmi {m} [lb, pt, uncountable]  :: origami (the Japanese art of paper folding)
origâmi {m}  :: origami (piece of art made by folding paper)
Orinoco {prop}  :: Orinoco (river)
Oriol {prop}  :: alternative form of Orel
Orion {prop} [constellation]  :: Orion (constellation)
Orion {prop} [Greek mythology]  :: Orion (in mythology)
Orionte {prop}  :: alternative form of Orion
Orissa {prop}  :: Odisha (state in India)
Oristano {prop}  :: Oristano (town)
orla {f}  :: border
ornamentação {f}  :: ornamentation; decoration; adornment; embellishment
ornamentação {f}  :: ornamentation (the act or process of decorating)
ornamentar {v}  :: to adorn
ornamento {m}  :: ornament
ornar {v}  :: to adorn
ornato {m}  :: ornament
ornitólogo {m}  :: ornithologist (expert in ornithology)
ornitofobia {f}  :: ornithophobia
ornitologia {f}  :: ornithology (scientific study of birds)
ornitorrinco {m}  :: platypus
orografia {f} [geomorphology]  :: orography (the scientific study, or a physical description of mountains)
orologia {f} [geomorphology]  :: orology (the study of mountains)
orquídea {f}  :: orchid
orquestra {f}  :: orchestra
orquestrar {vt}  :: to orchestrate, compose music for dramatic performance
orquestrar {vt}  :: to orchestrate, to arrange, direct elements
orquidáceo {adj}  :: orchidaceous
orthographia {f}  :: obsolete spelling of ortografia
ortiga {f}  :: alternative form of urtiga
ortita {f} [mineral]  :: orthite
ortólogo {adj} [lb, pt, genetics, of genes or sequences]  :: orthologous (having been separated by a speciation event)
ortoclase {f} [mineral]  :: orthoclase
ortodontista {mf}  :: orthodontist (orthodontic dentist)
ortodoxia {f} [lb, pt, uncountable]  :: Orthodoxy (the Eastern Orthodox Church and its foundations)
ortodoxia {f}  :: orthodoxy (correctness in doctrine and belief)
ortodoxo {adj}  :: orthodox (adhering to established religious doctrine or tradition)
ortodoxo {adj}  :: orthodox (adhering to whatever is traditional, customary, accepted)
ortodoxo {adj}  :: Orthodox (relating to Orthodox Judaism)
ortodoxo {adj}  :: Orthodox (relating to the Eastern Christian Orthodox church)
ortoepia {f}  :: alternative form of ortoépia
ortofosfórica {adj}  :: feminine form of ortofosfórico
ortofosfóricas {adj}  :: feminine plural of ortofosfórico
ortofosfórico {adj} [inorganic chemistry]  :: orthophosphoric
ortogonal {adj} [geometry]  :: orthogonal (relating to or containing right angles)
ortografia {f}  :: orthography (a specific system for writing in a language)
ortografia {f} [uncountable]  :: orthography (study of correct spelling)
ortográfica {adj}  :: feminine form of ortográfico
ortográfico {adj}  :: orthographic
ortopedia {f} [medicine]  :: orthopedics (branch of medicine concerned with the musculoskeletal system)
ortoépia {f}  :: orthoepy (the correct pronunciation of words)
ortopolifosfato {m} [inorganic chemistry]  :: orthopolyphosphate
ortorrômbica {adj}  :: feminine form of ortorrômbico
ortorrômbicas {adj}  :: feminine plural of ortorrômbico
ortorrômbico {adj}  :: orthorhombic
ortovanadato {m} [inorganic chemistry]  :: orthovanadate
orvalho {m}  :: dew
os {pron} [object pronoun]  :: 3rd person them (as a direct object; as an indirect object, see lhes; after prepositions, see eles)
-osa {suffix}  :: feminine form of -oso
Osaka {prop}  :: Osaka (a city in Honshu, Japan)
o sangue é mais grosso que a água {proverb}  :: blood is thicker than water (family relations are more important)
osasquense {m}  :: An inhabitant of the city of Osasco, Brazil
Oscar {prop}  :: Oscar (male given name)
os cães ladram, mas a caravana passa {proverb}  :: the dogs bark, but the caravan goes on (life goes on even if people try to stop progress)
oscilador {m}  :: oscillator
oscilar {v}  :: to oscillate (to swing back and forth, especially if with a regular rhythm)
osco {adj}  :: Oscan (of or pertaining to the Oscans, an ancient Italic people)
osco {m} [lb, pt, uncountable]  :: Oscan (an extinct Italic language, once spoken by the Oscan people)
osco {m}  :: Oscan (a member of the Oscan people)
Oseias {prop}  :: Hosea (prophet)
o senhor {pron}  :: you (formal)
os fins justificam os meios {proverb}  :: the end justifies the means (morally wrong actions are sometimes necessary)
osga {f}  :: gecko (any lizard of the family Gekkonidae)
os homens são todos iguais {phrase} [derogatory]  :: Every man has repetitive and predictable behaviour
o silêncio é ouro {proverb}  :: silence is golden (often the best choice is to say nothing)
oásis {m}  :: oasis (well surrounded by vegetation in a desert)
Oslo {prop}  :: Oslo (the capital and a county municipality of Norway)
osmato {m} [inorganic chemistry]  :: osmate
osmirídio {m}  :: osmiridium
osmômetro {m}  :: alternative form of osmómetro
osmómetro {m}  :: osmometer (device used to measure osmotic pressure)
osmose {f}  :: osmosis (movement of molecules through a membrane)
osmótica {adj}  :: feminine form of osmótico
osmóticas {adj}  :: feminine plural of osmótico
osmótico {adj}  :: osmotic
-oso {suffix}  :: -ous, -y
Osíris {prop}  :: Osiris
ossatura {f} [lb, pt, anatomy]  :: osteology (bone structure of a particular individual)
ossículo {m}  :: diminutive form of osso
ossículo {m} [skeleton]  :: ossicle; earbone
osseta {adj}  :: Ossetian (of, from or relating to Ossetia)
osseta {n}  :: Ossetian (member of the Ossetian people)
osseto {m}  :: Ossetian (Eastern Iranian language spoken by the Ossetians)
Ossônoba {prop} [Brazil]  :: alternative form of Ossonoba
Ossónoba {prop} [Portugal]  :: alternative form of Ossonoba
osso {m} [anatomy]  :: bone
osso {m} [figuratively]  :: a difficulty
osso {m} [uncountable]  :: bone (material)
ossobuco {m}  :: osso buco (Italian meat dish)
osso do quadril {m} [skeleton]  :: hip bone
osso duro de roer {m} [idiomatic]  :: a brave or hardy person or organisation
osso duro de roer {m} [idiomatic]  :: hard nut to crack (problem that is challenging to solve)
osso duro de roer {m} [idiomatic]  :: hard nut to crack (situation, person, group, etc. which is difficult to overcome or deal with)
osso nasal {m} [skeleton]  :: nasal bone
Ossonoba {prop}  :: Ossonoba (ancient city)
osso palatino {m} [skeleton]  :: palatine bone
osso piramidal {m} [skeleton]  :: triquetral bone
osso pisiforme {m} [skeleton]  :: pisiform bone
ossos do ofício {n} [idiom]  :: occupational hazard (hardships and unpleasant circumstances that occur in a given job)
osso semi-lunar {m}  :: obsolete spelling of osso semilunar
osso semilunar {m} [skeleton]  :: lunate bone
ossário {m}  :: alternative form of ossuário
Ossétia {prop}  :: Ossetia (region in the Caucasus)
Ossétia do Norte {prop}  :: North Ossetia (North Ossetia)
Ossétia do Sul {prop}  :: South Ossetia (South Ossetia)
ossuário {m}  :: ossuary (a place where bones of dead people are kept)
ostíaco {adj}  :: alternative form of ostiaco
ostíaco {m}  :: alternative form of ostiaco
osteócito {m}  :: osteocyte
ostentando {v}  :: gerund of ostentar
ostentação {f}  :: boasting
ostentação {f}  :: ostentation
ostentação {f}  :: show
ostentar {v}  :: to display, flaunt
ostentatório {adj}  :: ostentatious (relating to ostentatious)
osteoartrose {f} [pathology]  :: osteoarthritis
osteoblasto {m}  :: osteoblast
osteoblástica {adj}  :: feminine form of osteoblástico
osteoblásticas {adj}  :: feminine plural of osteoblástico
osteoblástico {adj}  :: osteoblastic
osteoclástica {adj}  :: feminine form of osteoclástico
osteoclásticas {adj}  :: feminine plural of osteoclástico
osteoclástico {adj}  :: osteoclastic
osteogênese {f}  :: alternative form of osteogénese
osteogénese {f} [lb, pt, physiology]  :: osteogenesis (the formation and development of bone)
osteogénese imperfeita {f} [lb, pt, pathology]  :: osteogenesis imperfecta (disease characterised by bones that easily fracture)
osteomalacia {f} [medicine]  :: osteomalacia (a softening of adult bones due to inadequate mineralisation)
osteopatia {f} [alternative medicine]  :: osteopathy (manipulation of bones and muscles)
osteopatia {f}  :: any disease of the bone
osteoporose {f} [pathology]  :: osteoporosis (disease that causes bones to become porous)
ostiaco {adj}  :: relating to the Ket people
ostiaco {m}  :: Ket (a Yeniseian language spoken by the Ket people)
ostiaco {m}  :: one of the Ket people of central Siberia
ostra {f}  :: oyster (mollusk)
ostraceiro {m}  :: oystercatcher (any bird of the genus Haematopus, which feed on shellfish)
ostracismo {m} [historical]  :: ostracism (a ten-year banishment from the ancient city-state of Athens by popular vote)
ostracismo {m}  :: ostracism (exclusion from a community)
ostracizando {v}  :: gerund of ostracizar
ostracizar {vt}  :: to ostracize
ostreicultor {m}  :: oysterman
ostricultor {m}  :: alternative form of ostreicultor
ostrogodo {adj}  :: Ostrogothic (relating to the Ostrogoths)
ostrogodo {m}  :: Ostrogoth (member of a tribe of estern Goths)
Osvaldo {prop}  :: Oswald (male given name)
otalgia {f} [pathology]  :: otalgia; earache
OTAN {acronym}  :: NATO; acronym of Organização do Tratado do Atlântico Norte
Otava {prop}  :: Ottawa (capital of Canada)
o tempo voa {proverb}  :: time flies (time seems to pass quickly)
otimismo {m}  :: optimism (a tendency to expect the best)
otimista {adj}  :: optimistic (expecting a good outcome)
otimista {mf}  :: optimist (person who expects a favourable outcome)
otimizar {vt}  :: to optimize (produce an optimum state; make optimal)
otite {f} [pathology]  :: otitis (inflammation of the ear)
-oto {suffix} [rfdef]  ::
otorrinolaringologia {f} [medicine]  :: otorhinolaryngology
otorrinolaringologista {mf} [medicine]  :: otorhinolaryngologist
otária {adj}  :: feminine form of otário
otária {f}  :: feminine form of otário
otária {f}  :: South American sea lion (Otaria flavescens, a sea lion of South America)
otário {m}  :: sucker (person who is easily fooled)
Ottawa {prop}  :: alternative form of Otava
Otávio {prop}  :: Octavius (male given name)
ou {conj}  :: eitheror
ou {conj}  :: or (connects at least two alternative words, phrases, clauses, sentences, etc. each of which could make a passage true)
ou {conj}  :: or (connects two equivalent names)
ou {m} [logic]  :: inclusive or (connective which yields true when at least one of the predicates is true)
-ou {suffix}  :: A suffix indicating the third-person singular indicative preterite of a verb
Ouagadougou {prop}  :: Ouagadougou (capital of Burkina Faso)
ou caga, ou desocupa a moita {phrase} [vulgar, idiomatic]  :: Make a decision now; take your pick
ourégão {m}  :: alternative form of orégano
ouriço {m}  :: chestnut burr
ouriço {m}  :: hedgehog
ouriço {m}  :: sea urchin
ouriço-cacheiro {m}  :: hedgehog (Erinaceus europaeus)
ouriço do mar {m}  :: alternative spelling of ouriço-do-mar
ouriço-do-mar {m}  :: sea urchin (any marine echinoderm of the class Echinoidea)
ouriço terrestre {m} [lb, pt, rare]  :: European hedgehog (Erinaceus europaeus, a species of hedgehog)
Ourique {prop}  :: A Portuguese village in Beja district
ourives {mf}  :: goldsmith (craftsman who makes things out of gold)
ourivesaria {f}  :: jeweller's (shop)
ourivesaria {f}  :: jewellery
ourivesaria {f}  :: the art of the goldsmith
Ourém {prop}  :: A Portuguese city in Santarém district
ouro {m}  :: gold (coin)
ouro {m}  :: gold (colour)
ouro {m}  :: gold (element)
ouro {m}  :: gold (medal)
ouro branco {m}  :: white gold (an alloy of gold and a white metal)
ouro dos tolos {m}  :: fool's gold (pyrite, a mineral often mistaken for gold)
ouro dos tolos {m} [lb, pt, figurative]  :: anything that gives the illusion of wealth
Ouro Preto {prop}  :: Ouro Preto
ouros {mp} [card games]  :: diamond (card games: card of the diamonds suit)
ousadia {f}  :: audacity; daringness (fearlessness, intrepid daring)
ousar {v}  :: to dare
ou seja {adv} [conjunctive]  :: that is (used to introduce a clarification or explanation)
outeiro {m}  :: hillock, knoll
outeyro {m}  :: obsolete form of outeiro
outonal {adj}  :: autumnal
outono {m}  :: autumn
outorga {f}  :: grant
outorgando {v}  :: gerund of outorgar
outorgar {v}  :: to grant, bestow
outra {pron}  :: feminine form of outro
outra vez {adv}  :: again, once more
outra vez {adv}  :: another time
outrem {pron}  :: other people
outro {pron}  :: another instance of someone or something that does something
outro {pron}  :: another (not the same)
outro {pron}  :: another (one more)
outro {pron}  :: other (not the one previously referred to)
outro eu {m}  :: alter ego (alternate personality or persona)
outro mundo {m}  :: afterlife; other side (supernatural realm inhabited by spirits)
outro mundo {m} mundo
outrora {adv}  :: formerly
outrora {adv}  :: once
outrossim {adv}  :: also, too, as well, likewise
outsourcing {m}  :: outsourcing (transfer of a business function to an external service provider)
outubro {m}  :: October (month)
Outubro {m}  :: superseded spelling of outubro
ouvido {m}  :: ear (specially the inner part of this)
ouvido {m}  :: hearing
ouvi-la {v}  :: contraction of ouvir la
ouvinte {mf}  :: someone who is listening to a speech or lecture
ouvir {v}  :: to hear, to perceive with the ear, without necessarily paying attention to it
ouvyr {v}  :: obsolete spelling of ouvir
ova {f}  :: roe (fish egg)
oval {adj}  :: oval (shaped like an egg)
ovalado {adj}  :: oval (shaped like an egg)
Ovar {prop}  :: A Portuguese city in Aveiro district
ovariano {adj} [lb, pt, medicine]  :: ovarian (relating to the ovaries)
ovelha {f}  :: a female sheep; an ewe
ovelha negra {f} [idiomatic]  :: black sheep (disliked person)
ovelha negra {f} [idiomatic]  :: black sheep (nonconformist)
ovelha negra {f} negra
ovelhinha {f}  :: diminutive form of ovelha
overdose {f}  :: overdose (excessive and dangerous dose of a drug)
oviduto {m} [anatomy]  :: oviduct (duct through which an ovum passes)
Oviedo {prop}  :: Oviedo
ovni {m}  :: alternative spelling of óvni
OVNI {abbr}  :: UFO; alien spacecraft
ovnilogia {f}  :: ufology
ovo {m}  :: egg
ovo {m}  :: (slang) testicle
ovo de Páscoa {m}  :: Easter egg (a dyed or decorated egg)
ovo estrelado {m}  :: fried egg (egg that has been shallow fried)
ovoide {adj}  :: oval (shaped like an egg)
ovoide {m}  :: oval (a shape like an egg or ellipse)
ovo quente {m}  :: soft-boiled egg
ovos mexidos {n}  :: scrambled eggs (dish made by beating and frying eggs)
ovárico {adj} [lb, pt, medicine]  :: ovarian (relating to the ovaries)
ovário {m}  :: ovary
ovular {adj}  :: oval (of or pertaining to an ovum)
ovular {v}  :: to ovulate (to produce eggs or ova)
oxalá {adv}  :: hopefully (I hope that)
oxalá {interj}  :: God grant (that) (followed by present subjunctive)
oxalá {interj}  :: God willing
oxalá {interj}  :: I hope so; let’s hope so
oxalá {interj}  :: I hope (that); let’s hope (that) (followed by present subjunctive)
oxalá {interj}  :: let's hope that
Oxford {prop}  :: Oxford (city)
Oxford {prop}  :: Oxford (university)
oxiácido {m} [inorganic chemistry]  :: oxyacid
oxicloreto {m} [inorganic chemistry]  :: oxychloride
oxicoco {m}  :: cranberry (a species of berry shrub found in acidic bogs)
oxidante {adj}  :: oxidizing
oxidante {m} [chemistry]  :: oxidant
oxidação {f}  :: oxidation
oxidar {v}  :: to oxidize
oxidativa {adj}  :: feminine form of oxidativo
oxidativas {adj}  :: feminine plural of oxidativo
oxidativo {adj} [chemistry]  :: oxidative
oxidável {adj}  :: oxidizable
oxigenando {v}  :: gerund of oxigenar
oxigenação {f}  :: oxygenation
oxigenar {v}  :: to oxygenate
oxigenase {f} [enzyme]  :: oxygenase
oxigênio {m}  :: See oxigénio
oxinitrato {m} [inorganic chemistry]  :: oxynitrate
oxirredução {f} [inorganic chemistry]  :: redox (reaction)
oxirredutase {f} [enzyme]  :: oxidoreductase
oxitocina {f} [hormone]  :: oxytocin
Oxônia {prop} [Brazil]  :: alternative form of Oxónia
Oxónia {prop} [Portugal]  :: Oxford (city)
oxônio {m} [chemistry]  :: oxonium
oxítona {adj}  :: feminine form of oxítono
oxítona {f} [linguistics]  :: oxytone (a word stressed on the last syllable)
oxítonas {adj}  :: feminine plural of oxítono
oxítono {adj} [linguistics, of a word]  :: oxytone (stressed on the last syllable)
oytavo {ordinal num}  :: obsolete spelling of oitavo
ozônio {m}  :: ozone
ozonídeo {m} [chemistry]  :: ozonide
ozonizando {v}  :: gerund of ozonizar
ozonização {f} [chemistry]  :: ozonization
ozonizar {v} [chemistry]  :: To ozonize
ópera {f} [music]  :: opera
ópera {f}  :: opera house
ópio {m}  :: opium
óptica {adj}  :: feminine form of óptico
óptica {f} [physics]  :: optics (physics of light and vision)
óptimo {adj}  :: obsolete spelling of ótimo
óptimo {interj}  :: obsolete spelling of ótimo
óptimo {m}  :: obsolete spelling of ótimo
órbita {f}  :: orbit (path of one object around another)
Óregão {prop}  :: alternative form of Oregon
Óregon {prop}  :: alternative form of Oregon
órfã {adj}  :: feminine form of órfão
órfão {adj}  :: orphan
órfão {m}  :: orphan
órgão {m} [anatomy]  :: organ
órgão {m} [musical instruments]  :: organ
órgão de reflexão {m}  :: think tank (group producing research and recommendations)
órgão do sentido {m}  :: sense organ (an organic sensor)
órgão sensorial {m}  :: sense organ (an organic sensor)
órgão sexual {m} [anatomy]  :: sex organ (organ used in sexual reproduction)
Órion {prop}  :: alternative form of Orion
Óscar {prop}  :: alternative form of Oscar
ósculo {m} [biology]  :: osculum (main opening in a sponge)
ósculo {m} [rare]  :: kiss
ósmio {m}  :: osmium (chemical element)
óssea {adj}  :: feminine form of ósseo
ósseas {adj}  :: feminine plural of ósseo
ósseo {adj}  :: osseous, bony
ótica {adj}  :: alternative form of óptica
ótica {f}  :: alternative form of óptica
óticas {adj}  :: feminine plural of ótico
ótico {adj}  :: alternative form of óptico
ótico {adj} [anatomy]  :: otic (related to the ear)
ótima {adj}  :: feminine form of ótimo
ótimas {adj}  :: feminine plural of ótimo
ótimo {adj} [computing]  :: optimal (the best possible solution of a problem)
ótimo {adj}  :: great; excellent (very good)
ótimo {interj}  :: great (expression of gladness)
ótimo {m} [computing]  :: the optimal solution
ótimo {m}  :: the very best
óvni {m}  :: UFO; alien spacecraft
óvulo {m} [cytology, embriology]  :: ovum; egg cell (female gamete in animals)
óxido {m} [chemistry]  :: oxide (binary compound of oxygen)