infectar

Catalan

Etymology

Borrowed from Latin īnfectāre, from īnfectus (“tainted”). First attested in 1696.

Pronunciation

• Audio (Barcelona):

  (file)

Verb

infectar (first-person singular present infecto, first-person singular preterite infectí, past participle infectat); root stress: (Central, Valencia) /e/; (Balearic) /ə/

1. (transitive) to infect (to bring into contact with a substance that causes illness)

Conjugation

    Central Catalan conjugation of infectar (first conjugation)

infinitive			infectar
gerund			infectant
past participle				masculine		feminine
		singular		infectat		infectada
		plural		infectats		infectades
person		singular			plural
		first	second	third	first	second	third
indicative		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	infecto	infectes	infecta	infectem	infecteu	infecten
	imperfect	infectava	infectaves	infectava	infectàvem	infectàveu	infectaven
	future	infectaré	infectaràs	infectarà	infectarem	infectareu	infectaran
	preterite	infectí	infectares	infectà	infectàrem	infectàreu	infectaren
	conditional	infectaria	infectaries	infectaria	infectaríem	infectaríeu	infectarien
subjunctive		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	infecti	infectis	infecti	infectem	infecteu	infectin
	imperfect	infectés	infectessis	infectés	infectéssim	infectéssiu	infectessin
imperative		—	tu	vostè	nosaltres	vosaltres vós	vostès
	affirmative	—	infecta	infecti	infectem	infecteu	infectin
	negative (no)	—	no infectis	no infecti	no infectem	no infecteu	no infectin

Derived terms

• desinfectar

Related terms

• infecció
• infecciós
• infecte

Further reading

• “infectar”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “infectar” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “infectar”, in Diccionari català-valencià-balear (in Catalan)

Galician

Etymology

From Latin infectāre, from infectus (“tainted”).

Verb

infectar (first-person singular present infecto, first-person singular preterite infectei, past participle infectado)

1. (transitive) to infect (to bring into contact with a substance that causes illness)

Conjugation

    Conjugation of infectar

	Singular			Plural
	First-person (eu)	Second-person (ti)	Third-person (el / ela / Vde.)	First-person (nós)	Second-person (vós)	Third-person (eles / elas / Vdes.)
Infinitive
Impersonal	infectar
Personal	infectar	infectares	infectar	infectarmos	infectardes	infectaren
Gerund
	infectando
Past participle
Masculine	infectado			infectados
Feminine	infectada			infectadas
Indicative
Present	infecto	infectas	infecta	infectamos	infectades	infectan
Imperfect	infectaba	infectabas	infectaba	infectabamos	infectabades	infectaban
Preterite	infectei	infectaches	infectou	infectamos	infectastes	infectaron
Pluperfect	infectara	infectaras	infectara	infectaramos	infectarades	infectaran
Future	infectarei	infectarás	infectará	infectaremos	infectaredes	infectarán
Conditional	infectaría	infectarías	infectaría	infectariamos	infectariades	infectarían
Subjunctive
Present	infecte	infectes	infecte	infectemos	infectedes	infecten
Imperfect	infectase	infectases	infectase	infectásemos	infectásedes	infectasen
Future	infectar	infectares	infectar	infectarmos	infectardes	infectaren
Imperative
Affirmative		infecta	infecte	infectemos	infectade	infecten
Negative (non)		non infectes	non infecte	non infectemos	non infectedes	non infecten

Derived terms

• desinfectar

Related terms

• infección

Further reading

• “infectar”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026

Portuguese

Alternative forms

• infetar (Portugal)

Etymology

Borrowed from Latin īnfectāre, from īnfectus (“tainted”).

Pronunciation

 

• (Brazil) IPA^(key): /ĩ.fekˈta(ʁ)/ [ĩ.fekˈta(h)], /ĩ.fe.kiˈta(ʁ)/ [ĩ.fe.kiˈta(h)]

• (Brazil) IPA^(key): /ĩ.fekˈta(ʁ)/ [ĩ.fekˈta(h)], /ĩ.fe.kiˈta(ʁ)/ [ĩ.fe.kiˈta(h)]
  • (São Paulo) IPA^(key): /ĩ.fekˈta(ɾ)/, /ĩ.fe.kiˈta(ɾ)/
  • (Rio de Janeiro) IPA^(key): /ĩ.fekˈta(ʁ)/ [ĩ.fekˈta(χ)], /ĩ.fe.kiˈta(ʁ)/ [ĩ.fe.kiˈta(χ)]
  • (Caipira) IPA^(key): /ĩ.fekˈta(ɻ)/, /ĩ.fe.kiˈta(ɻ)/
  • (Gaúcho) IPA^(key): /ĩ.fekˈta(ʁ)/ [ĩ.fekˈta(h)]

 

• (Portugal) IPA^(key): /ĩ.fɛˈktaɾ/

• (Portugal) IPA^(key): /ĩ.fɛˈktaɾ/
  • (Southern Portugal) IPA^(key): /ĩ.fɛˈkta.ɾi/

Verb

infectar (first-person singular present infecto, first-person singular preterite infectei, past participle infectado) (Brazilian Portuguese spelling, European Portuguese spelling)

1. to infect

Conjugation

    Conjugation of infectar (See Appendix:Portuguese verbs)

	Singular			Plural
	First-person (eu)	Second-person (tu)	Third-person (ele / ela / você)	First-person (nós)	Second-person (vós)	Third-person (eles / elas / vocês)
Infinitive
Impersonal	infectar
Personal	infectar	infectares	infectar	infectarmos	infectardes	infectarem
Gerund
	infectando
Past participle
Masculine	infectado			infectados
Feminine	infectada			infectadas
Indicative
Present	infecto	infectas	infecta	infectamos	infectais	infectam
Imperfect	infectava	infectavas	infectava	infectávamos	infectáveis	infectavam
Preterite	infectei	infectaste	infectou	infectamos1, infectámos2	infectastes	infectaram
Pluperfect	infectara	infectaras	infectara	infectáramos	infectáreis	infectaram
Future	infectarei	infectarás	infectará	infectaremos	infectareis	infectarão
Conditional	infectaria	infectarias	infectaria	infectaríamos	infectaríeis	infectariam
Subjunctive
Present	infecte	infectes	infecte	infectemos	infecteis	infectem
Imperfect	infectasse	infectasses	infectasse	infectássemos	infectásseis	infectassem
Future	infectar	infectares	infectar	infectarmos	infectardes	infectarem
Imperative
Affirmative		infecta	infecte	infectemos	infectai	infectem
Negative (não)		não infectes	não infecte	não infectemos	não infecteis	não infectem

¹Brazilian Portuguese.
²European Portuguese.

Derived terms

• desinfectar

Related terms

• infecção

Further reading

• “infectar”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Etymology

From Latin īnfectāre, from infectus (“tainted”).

Pronunciation

• IPA^(key): /infeɡˈtaɾ/ [ĩɱ.feɣ̞ˈt̪aɾ]
• Rhymes: -aɾ
• Syllabification: in‧fec‧tar

Verb

infectar (first-person singular present infecto, first-person singular preterite infecté, past participle infectado)

1. (transitive) to infect (to bring into contact with a substance that causes illness)

Conjugation

    Conjugation of infectar (See Appendix:Spanish verbs)

infinitive			infectar
gerund			infectando
past participle				masculine		feminine
		singular		infectado		infectada
		plural		infectados		infectadas
		singular			plural
		1st person	2nd person	3rd person	1st person	2nd person	3rd person
indicative		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	infecto	infectastú infectásvos	infecta	infectamos	infectáis	infectan
	imperfect	infectaba	infectabas	infectaba	infectábamos	infectabais	infectaban
	preterite	infecté	infectaste	infectó	infectamos	infectasteis	infectaron
	future	infectaré	infectarás	infectará	infectaremos	infectaréis	infectarán
	conditional	infectaría	infectarías	infectaría	infectaríamos	infectaríais	infectarían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	infecte	infectestú infectésvos2	infecte	infectemos	infectéis	infecten
	imperfect (ra)	infectara	infectaras	infectara	infectáramos	infectarais	infectaran
	imperfect (se)	infectase	infectases	infectase	infectásemos	infectaseis	infectasen
	future1	infectare	infectares	infectare	infectáremos	infectareis	infectaren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		infectatú infectávos	infecte	infectemos	infectad	infecten
	negative		no infectes	no infecte	no infectemos	no infectéis	no infecten

¹Rare; now chiefly used in legal language.
²Argentine and Uruguayan voseo prefers the tuteo-form for the present subjunctive.

    Selected combined forms of infectar

These forms are generated automatically and may not actually be used. Pronoun usage varies by region.

		singular			plural
		1st person	2nd person	3rd person	1st person	2nd person	3rd person
with infinitive infectar	dative	infectarme	infectarte	infectarle, infectarse	infectarnos	infectaros	infectarles, infectarse
	accusative	infectarme	infectarte	infectarlo, infectarla, infectarse	infectarnos	infectaros	infectarlos, infectarlas, infectarse
with gerund infectando	dative	infectándome	infectándote	infectándole, infectándose	infectándonos	infectándoos	infectándoles, infectándose
	accusative	infectándome	infectándote	infectándolo, infectándola, infectándose	infectándonos	infectándoos	infectándolos, infectándolas, infectándose
with informal second-person singular tuteo imperative infecta	dative	inféctame	inféctate	inféctale	inféctanos	not used	inféctales
	accusative	inféctame	inféctate	inféctalo, inféctala	inféctanos	not used	inféctalos, inféctalas
with informal second-person singular voseo imperative infectá	dative	infectame	infectate	infectale	infectanos	not used	infectales
	accusative	infectame	infectate	infectalo, infectala	infectanos	not used	infectalos, infectalas
with formal second-person singular imperative infecte	dative	infécteme	not used	inféctele, inféctese	inféctenos	not used	infécteles
	accusative	infécteme	not used	inféctelo, inféctela, inféctese	inféctenos	not used	inféctelos, inféctelas
with first-person plural imperative infectemos	dative	not used	infectémoste	infectémosle	infectémonos	infectémoos	infectémosles
	accusative	not used	infectémoste	infectémoslo, infectémosla	infectémonos	infectémoos	infectémoslos, infectémoslas
with informal second-person plural imperative infectad	dative	infectadme	not used	infectadle	infectadnos	infectaos	infectadles
	accusative	infectadme	not used	infectadlo, infectadla	infectadnos	infectaos	infectadlos, infectadlas
with formal second-person plural imperative infecten	dative	inféctenme	not used	inféctenle	inféctennos	not used	inféctenles, inféctense
	accusative	inféctenme	not used	inféctenlo, inféctenla	inféctennos	not used	inféctenlos, inféctenlas, inféctense

Derived terms

• desinfectar

Related terms

• infección
• infeccioso

Further reading

• “infectar”, 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