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-oso

From Wiktionary, the free dictionary

See also: Appendix:Variations of "oso"

Galician

Etymology

From Old Galician-Portuguese -oso, from Latin -ōsus.

Pronunciation

IPA^(key): /ˈoso/ [ˈo.s̺ʊ]
Rhymes: -oso
Hyphenation: -o‧so

Suffix

-oso (adjective-forming suffix, feminine -osa, masculine plural -osos, feminine plural -osas)

-ous, -ful, -y
‎cobiza (“greed”) + ‎-oso → ‎cobizoso (“covetous; greedy”)

‎verme (“worm, maggot”) + ‎-oso → ‎vermioso (“wormy, maggoty”)

Derived terms

Further reading

“oso”, in Dicionário Estraviz de galego (in Galician), 2014–2026

Italian

Etymology

From Latin -ōsus.

Pronunciation

IPA^(key): /ˈo.zo/, (traditional) /ˈo.so/
Rhymes: -ozo, (traditional) -oso
Hyphenation: -ó‧so

Suffix

-oso (adjective-forming suffix, feminine -osa, masculine plural -osi, feminine plural -ose)

-ous, -ful, -y
Synonym: -uoso

Derived terms

Italian terms suffixed with -oso

Further reading

“-oso”, in Vocabolario Treccani on line (in Italian), Istituto dell'Enciclopedia Italiana, 2026

Latin

Suffix

-ōsō

dative/ablative masculine/neuter singular of -ōsus

Portuguese

Etymology

From Old Galician-Portuguese -oso, from Latin -ōsus.

Pronunciation

(Brazil) IPA^(key): /ˈo.zu/

(Portugal) IPA^(key): /ˈo.zu/

Suffix

-oso (adjective-forming suffix, feminine -osa, masculine plural -osos, feminine plural -osas, metaphonic)

-ous, -y, -ful

Usage notes

All derived adjectives in -oso are metaphonic, i.e. stressed /o/ changes to /ɔ/ in the feminine and plural.

Derived terms

Portuguese terms suffixed with -oso

adenocarcinomatoso

antiescrofuloso

Further reading

“-oso”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
“-oso”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Etymology

Etymology tree

Proto-Indo-European *h₃ed-

Proto-Indo-European *-os

Proto-Indo-European *h₃édosder.?

Proto-Italic *-ŏ̄dsos?

Old Latin -ōssus

Latin -ōsus

Old Spanish -oso

Spanish -oso

Inherited from Old Spanish -oso, from Latin -ōsus.

Suffix

-oso (adjective-forming suffix, feminine -osa, masculine plural -osos, feminine plural -osas)

-ous, -ful, -y
‎carne (“flesh”) + ‎-oso → ‎carnoso (“fleshy”)

‎dolor (“pain”) + ‎-oso → ‎doloroso (“painful”)

‎gloria (“glory”) + ‎-oso → ‎glorioso (“glorious”)

Derived terms

Spanish terms suffixed with -oso

Further reading

“-oso”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025

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