interferir

Portuguese

Etymology

Verb

interferir (first-person singular present indicative interfiro, past participle interferido)

to interfere (to get involved or involve oneself, causing disturbance)

Não quero interferir na tua vida pessoal.
I don't want to interfere with your personal life.
(physics, of a wave) to interfere (to overlap another wave)
to prevent something from being done as well as it could be

A diferença de línguas interferiu nosso entendimento.
The language difference prevented us from understanding one another.

Suas preocupações o interferem em seu trabalho.
His worries interfered with his job.

Conjugation

Conjugation of the Portuguese -ir verb interferir

	Singular			Plural
Notes:^[edit] This is a regular verb of the -ir group. Verbs with this conjugation include: ferir, conferir, deferir, ingerir, inserir.
	First-person (eu)	Second-person (tu)	Third-person (ele / ela / você)	First-person (nós)	Second-person (vós)	Third-person (eles / elas / vocês)
Infinitive
Impersonal	interferir
Personal	interferir	interferires	interferir	interferirmos	interferirdes	interferirem
Gerund
	interferindo
Past participle
Masculine	interferido			interferidos
Feminine	interferida			interferidas
Indicative
Present	interfiro	interferes	interfere	interferimos	interferis	interferem
Imperfect	interferia	interferias	interferia	interferíamos	interferíeis	interferiam
Preterite	interferi	interferiste	interferiu	interferimos	interferistes	interferiram
Pluperfect	interferira	interferiras	interferira	interferíramos	interferíreis	interferiram
Future	interferirei	interferirás	interferirá	interferiremos	interferireis	interferirão
Conditional
	interferiria	interferirias	interferiria	interferiríamos	interferiríeis	interfeririam
Subjunctive
Present	interfira	interfiras	interfira	interfiramos	interfirais	interfiram
Imperfect	interferisse	interferisses	interferisse	interferíssemos	interferísseis	interferissem
Future	interferir	interferires	interferir	interferirmos	interferirdes	interferirem
Imperative
Affirmative	-	interfere	interfira	interfiramos	interferi	interfiram
Negative (não)	-	interfiras	interfira	interfiramos	interfirais	interfiram

Synonyms

(to involve oneself, causing disturbance): intrometer-se

Related terms

Terms related to interferir

interferência
interferencial

interferométrico
interferómetro

Spanish

Verb

interferir (first-person singular present interfiero, first-person singular preterite interferí, past participle interferido)

to interfere

Conjugation

Rule: e becomes a ie in stressed syllables and i in certain conjugations.

Conjugation of interferir (See Appendix:Spanish verbs)^{edit data}

		singular			plural
infinitive			interferir
gerund			interfiriendo
past participle				masculine		feminine
		singular		interferido		interferida
		plural		interferidos		interferidas
		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	interfiero	interfieres^tú interferís^{^vos}	interfiere	interferimos	interferís	interfieren
	imperfect	interfería	interferías	interfería	interferíamos	interferíais	interferían
	preterite	interferí	interferiste	interfirió	interferimos	interferisteis	interfirieron
	future	interferiré	interferirás	interferirá	interferiremos	interferiréis	interferirán
	conditional	interferiría	interferirías	interferiría	interferiríamos	interferiríais	interferirían

subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	interfiera	interfieras	interfiera	interfiramos	interfiráis	interfieran
	imperfect (ra)	interfiriera	interfirieras	interfiriera	interfiriéramos	interfirierais	interfirieran
	imperfect (se)	interfiriese	interfirieses	interfiriese	interfiriésemos	interfirieseis	interfiriesen
	future¹	interfiriere	interfirieres	interfiriere	interfiriéremos	interfiriereis	interfirieren

imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		interfiere^{^tú} interferí^{^vos}	interfiera	interfiramos	interferid	interfieran
	negative		no interfieras	no interfiera	no interfiramos	no interfiráis	no interfieran

¹ Mostly obsolete form, now mainly used in legal jargon.

Other verbs with this conjugation:

► <a class='CategoryTreeLabel CategoryTreeLabelNs14 CategoryTreeLabelCategory' href='/wiki/Category:Spanish_verbs_ending_in_-ir_(conjugation_e-ie-i)'>Spanish verbs ending in -ir (conjugation e-ie-i)</a>

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