infiltrar

Catalan

Pronunciation

• IPA^(key): (Central, Balearic) [iɱ.filˈtɾa]
• IPA^(key): (Valencia) [iɱ.filˈtɾaɾ]

• Audio (Barcelona):

  (file)

Verb

infiltrar (first-person singular present infiltro, first-person singular preterite infiltrí, past participle infiltrat)

1. to infiltrate

Conjugation

    Conjugation of infiltrar (first conjugation)

infinitive			infiltrar
gerund			infiltrant
past participle				masculine		feminine
		singular		infiltrat		infiltrada
		plural		infiltrats		infiltrades
person		singular			plural
		first	second	third	first	second	third
indicative		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	infiltro	infiltres	infiltra	infiltrem	infiltreu	infiltren
	imperfect	infiltrava	infiltraves	infiltrava	infiltràvem	infiltràveu	infiltraven
	future	infiltraré	infiltraràs	infiltrarà	infiltrarem	infiltrareu	infiltraran
	preterite	infiltrí	infiltrares	infiltrà	infiltràrem	infiltràreu	infiltraren
	conditional	infiltraria	infiltraries	infiltraria	infiltraríem	infiltraríeu	infiltrarien
subjunctive		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	infiltri	infiltris	infiltri	infiltrem	infiltreu	infiltrin
	imperfect	infiltrés	infiltressis	infiltrés	infiltréssim	infiltréssiu	infiltressin
imperative		—	tu	vostè	nosaltres	vosaltres vós	vostès
	affirmative	—	infiltra	infiltri	infiltrem	infiltreu	infiltrin
	negative (no)	—	no infiltris	no infiltri	no infiltrem	no infiltreu	no infiltrin

Derived terms

• infiltració

Further reading

• “infiltrar”, 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
• “infiltrar”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “infiltrar” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “infiltrar”, in Diccionari català-valencià-balear (in Catalan)

Galician

Pronunciation

• IPA^(key): /infilˈtɾaɾ/ [iɱ.fil̪ˈt̪ɾaɾ]
• Rhymes: -aɾ
• Hyphenation: in‧fil‧trar

Verb

infiltrar (first-person singular present infiltro, first-person singular preterite infiltrei, past participle infiltrado)

1. to infiltrate

Conjugation

    Conjugation of infiltrar

	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	infiltrar
Personal	infiltrar	infiltrares	infiltrar	infiltrarmos	infiltrardes	infiltraren
Gerund
	infiltrando
Past participle
Masculine	infiltrado			infiltrados
Feminine	infiltrada			infiltradas
Indicative
Present	infiltro	infiltras	infiltra	infiltramos	infiltrades	infiltran
Imperfect	infiltraba	infiltrabas	infiltraba	infiltrabamos	infiltrabades	infiltraban
Preterite	infiltrei	infiltraches	infiltrou	infiltramos	infiltrastes	infiltraron
Pluperfect	infiltrara	infiltraras	infiltrara	infiltraramos	infiltrarades	infiltraran
Future	infiltrarei	infiltrarás	infiltrará	infiltraremos	infiltraredes	infiltrarán
Conditional	infiltraría	infiltrarías	infiltraría	infiltrariamos	infiltrariades	infiltrarían
Subjunctive
Present	infiltre	infiltres	infiltre	infiltremos	infiltredes	infiltren
Imperfect	infiltrase	infiltrases	infiltrase	infiltrásemos	infiltrásedes	infiltrasen
Future	infiltrar	infiltrares	infiltrar	infiltrarmos	infiltrardes	infiltraren
Imperative
Affirmative		infiltra	infiltre	infiltremos	infiltrade	infiltren
Negative (non)		non infiltres	non infiltre	non infiltremos	non infiltredes	non infiltren

    Reintegrated conjugation of infiltrar (See Appendix:Reintegrationism)

	Singular			Plural
	First-person (eu)	Second-person (ti / tu)	Third-person (ele / ela / você)	First-person (nós)	Second-person (vós)	Third-person (eles / elas / vocês)
Infinitive
Impersonal	infiltrar
Personal	infiltrar	infiltrares	infiltrar	infiltrarmos	infiltrardes	infiltrarem
Gerund
	infiltrando
Past participle
Masculine	infiltrado			infiltrados
Feminine	infiltrada			infiltradas
Indicative
Present	infiltro	infiltras	infiltra	infiltramos	infiltrades, infiltrais	infiltram
Imperfect	infiltrava	infiltravas	infiltrava	infiltrávamos	infiltrávades, infiltráveis, infiltrávais1	infiltravam
Preterite	infiltrei	infiltraste, infiltrache1	infiltrou	infiltramos	infiltrastes	infiltrárom, infiltraram
Pluperfect	infiltrara	infiltraras	infiltrara	infiltráramos	infiltrárades, infiltráreis, infiltrárais1	infiltraram
Future	infiltrarei	infiltrarás	infiltrará	infiltraremos	infiltraredes, infiltrareis	infiltrarám, infiltrarão
Conditional	infiltraria	infiltrarias	infiltraria	infiltraríamos	infiltraríades, infiltraríeis, infiltraríais1	infiltrariam
Subjunctive
Present	infiltre	infiltres	infiltre	infiltremos	infiltredes, infiltreis	infiltrem
Imperfect	infiltrasse	infiltrasses	infiltrasse	infiltrássemos	infiltrássedes, infiltrásseis	infiltrassem
Future	infiltrar	infiltrares	infiltrar	infiltrarmos	infiltrardes	infiltrarem
Imperative
Affirmative		infiltra	infiltre	infiltremos	infiltrade, infiltrai	infiltrem
Negative (nom)		nom infiltres	nom infiltre	nom infiltremos	nom infiltredes, nom infiltreis	nom infiltrem

¹Less recommended.

Derived terms

• infiltración

Further reading

• “infiltrar”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026
• “infiltrar”, in Dicionário Estraviz de galego (in Galician), 2014–2026

Interlingua

Verb

infiltrar

1. to infiltrate

Conjugation

    Conjugation of infiltrar

infinitive		infiltrar
participle		present	perfect
		infiltrante	infiltrate
active		simple	perfect
	present	infiltra	ha infiltrate
	past	infiltrava	habeva infiltrate
	future	infiltrara	habera infiltrate
	conditional	infiltrarea	haberea infiltrate
	imperative	infiltra	—
passive		simple	perfect
	present	es infiltrate	ha essite infiltrate
	past	esseva infiltrate	habeva essite infiltrate
	future	essera infiltrate	habera essite infiltrate
	conditional	esserea infiltrate	haberea essite infiltrate
	imperative	sia infiltrate	—

Maltese

Pronunciation

• IPA^(key): /ɪn.fɪlˈtraːr/
• Rhymes: -aːr

Noun

infiltrar m

1. verbal noun of infiltra

Occitan

Pronunciation

• Audio (Béarn):

  (file)

Verb

infiltrar

1. to infiltrate

Conjugation

    Lengadocian (Central Occitan)

		simple			compound
infinitive		infiltrar			aver infiltrat
gerund		infiltrant			use gerund of aver + past participle
past participle		infiltrat			—
person		singular			plural
		first	second	third	first	second	third
indicative		ieu	tu	el	nosautres	vosautres	eles
	present	infiltri	infiltras	infiltra	infiltram	infiltratz	infiltran
	imperfect	infiltravi	infiltravas	infiltrava	infiltràvem	infiltràvetz	infiltravan
	preterite	infiltrèri	infiltrères	infiltrèt	infiltrèrem	infiltrèretz	infiltrèron
	future	infiltrarai	infiltraràs	infiltrarà	infiltrarem	infiltraretz	infiltraràn
	conditional	infiltrariái	infiltrariás	infiltrariá	infiltrariam	infiltrariatz	infiltrarián
	conditional 2nd form1	infiltrèra	infiltrèras	infiltrèra	infiltreram	infiltreratz	infiltrèran
compound tenses	present perfect	use the present tense of aver + past participle
	pluperfect	use the imperfect tense of aver + past participle
	past anterior	use the preterite tense of aver + past participle
	future perfect	use the future tense of aver + past participle
	conditional perfect	use the conditional tense of aver + past participle
subjunctive		que ieu	que tu	que el	que nosautres	que vosautres	que eles
	present	infiltre	infiltres	infiltre	infiltrem	infiltretz	infiltren
	imperfect	infiltrèssi	infiltrèsses	infiltrèsse	infiltrèssem	infiltrèssetz	infiltrèsson
compound tenses	past	use the present subjunctive of aver + past participle
	pluperfect	use the imperfect subjunctive of aver + past participle
imperative		—	tu	—	nosautres	vosautres	—
			infiltra		infiltrem	infiltratz	1Now chiefly obsolete, still in use in some Limousin and Vivaro-Alpin dialects

    Auvernhàs

		simple			compound
infinitive		infiltrar			aver infiltrat
gerund		infiltrant			use gerund of aver + past participle
past participle		infiltrat			—
person		singular			plural
		first	second	third	first	second	third
indicative		ieu	tu	el	nosautres	vosautres	eles
	present	infiltre	infiltres	infiltra	infiltram	infiltratz	infiltron
	imperfect	infiltrave	infiltraves	infiltrava	infiltraviam	infiltraviatz	infiltravon
	preterite	infiltrere	infiltreres	infiltret	infiltrem	infiltretz	infiltreron
	future	infiltrarai	infiltraràs	infiltrará	infiltrarem	infiltraretz	infiltrarán
	conditional	infiltrariá	infiltrariás	infiltrariá	infiltrariam	infiltrariatz	infiltrarián
	conditional 2nd form1	infiltrèra	infiltrèras	infiltrèra	infiltreram	infiltreratz	infiltrèran
compound tenses	present perfect	use the present tense of aver + past participle
	pluperfect	use the imperfect tense of aver + past participle
	past anterior	use the preterite tense of aver + past participle
	future perfect	use the future tense of aver + past participle
	conditional perfect	use the conditional tense of aver + past participle
subjunctive		que ieu	que tu	que el	que nosautres	que vosautres	que eles
	present	infiltre	infiltres	infiltre	infiltrassiam	infiltrassiatz	infiltron
	imperfect	infiltresse	infiltresses	infiltresse	infiltressiam	infiltressiatz	infiltresson
compound tenses	past	use the present subjunctive of aver + past participle
	pluperfect	use the imperfect subjunctive of aver + past participle
imperative		—	tu	—	nosautres	vosautres	—
			infiltra		infiltrassiam	infiltratz	1Now chiefly obsolete, still in use in some Limousin and Vivaro-Alpin dialects

    Gascon

		simple			compound
infinitive		infiltrar			aver infiltrat
gerund		infiltrant			use gerund of aver + past participle
past participle		infiltrat			—
person		singular			plural
		first	second	third	first	second	third
indicative		ieu	tu	el	nosautres	vosautres	eles
	present	infiltri	infiltras	infiltra	infiltram	infiltratz	infiltran
	imperfect	infiltravi	infiltravas	infiltrava	infiltràvam	infiltràvatz	infiltravan
	preterite	infiltrèi	infiltrès	infiltrè	infiltrèm	infiltrètz	infiltrèn
	future	infiltrarèi	infiltraràs	infiltrarà	infiltraram	infiltraratz	infiltraràn
	conditional	infiltrarí	infiltrarés	infiltraré	infiltrarem	infiltraretz	infiltrarén
	conditional 2nd form1	infiltrèra	infiltrèras	infiltrèra	infiltreram	infiltreratz	infiltrèran
compound tenses	present perfect	use the present tense of aver + past participle
	pluperfect	use the imperfect tense of aver + past participle
	past anterior	use the preterite tense of aver + past participle
	future perfect	use the future tense of aver + past participle
	conditional perfect	use the conditional tense of aver + past participle
subjunctive		que ieu	que tu	que el	que nosautres	que vosautres	que eles
	present	infiltri	infiltres	infiltre	infiltrem	infiltretz	infiltren
	imperfect	infiltrèssi	infiltrèsses	infiltrèsse	infiltrèssem	infiltrèssetz	infiltrèssen
compound tenses	past	use the present subjunctive of aver + past participle
	pluperfect	use the imperfect subjunctive of aver + past participle
imperative		—	tu	—	nosautres	vosautres	—
			infiltra		infiltrem	infiltratz	1Now chiefly obsolete, still in use in some Limousin and Vivaro-Alpin dialects

    Lemosin

		simple			compound
infinitive		infiltrar			aver infiltrat
gerund		infiltrant			use gerund of aver + past participle
past participle		infiltrat			—
person		singular			plural
		first	second	third	first	second	third
indicative		ieu	tu	el	nosautres	vosautres	eles
	present	infiltre	infiltras	infiltra	infiltram	infiltratz	infiltran
	imperfect	infiltrava	infiltravas	infiltrava	infiltràvam	infiltràvatz	infiltravan
	preterite	infiltrei	infiltreras	infiltret	infiltrèram	infiltrèratz	infiltreran
	future	infiltrarai	infiltraràs	infiltrará	infiltrarem	infiltraretz	infiltrarán
	conditional	infiltrariá	infiltrariàs	infiltrariá	infiltrariam	infiltrariatz	infiltrarián
	conditional 2nd form1	infiltrèra	infiltrèras	infiltrèra	infiltreram	infiltreratz	infiltrèran
compound tenses	present perfect	use the present tense of aver + past participle
	pluperfect	use the imperfect tense of aver + past participle
	past anterior	use the preterite tense of aver + past participle
	future perfect	use the future tense of aver + past participle
	conditional perfect	use the conditional tense of aver + past participle
subjunctive		que ieu	que tu	que el	que nosautres	que vosautres	que eles
	present	infiltre	infiltres	infiltre	infiltrem	infiltretz	infiltren
	imperfect	infiltrèsse	infiltrèsses	infiltrèsse	infiltrèssem	infiltrèssetz	infiltrèssen
compound tenses	past	use the present subjunctive of aver + past participle
	pluperfect	use the imperfect subjunctive of aver + past participle
imperative		—	tu	—	nosautres	vosautres	—
			infiltra		infiltrem	infiltratz	1Now chiefly obsolete, still in use in some Limousin and Vivaro-Alpin dialects

    Provençau

		simple			compound
infinitive		infiltrar			aver infiltrat
gerund		infiltrant			use gerund of aver + past participle
past participle		infiltrat			—
person		singular			plural
		first	second	third	first	second	third
indicative		ieu	tu	el	nosautres	vosautres	eles
	present	infiltre	infiltres	infiltra	infiltram	infiltratz	infiltran
	imperfect	infiltravi	infiltravas	infiltrava	infiltràvem	infiltràvetz	infiltravan
	preterite	infiltrère	infiltrères	infiltrèt	infiltreriam	infiltreriatz	infiltrèron
	future	infiltrarai	infiltraràs	infiltrarà	infiltrarem	infiltraretz	infiltraràn
	conditional	infiltrariáu	infiltrariás	infiltrariá	infiltrariam	infiltrariatz	infiltrarián
	conditional 2nd form1	infiltrèra	infiltrèras	infiltrèra	infiltreram	infiltreratz	infiltrèran
compound tenses	present perfect	use the present tense of aver + past participle
	pluperfect	use the imperfect tense of aver + past participle
	past anterior	use the preterite tense of aver + past participle
	future perfect	use the future tense of aver + past participle
	conditional perfect	use the conditional tense of aver + past participle
subjunctive		que ieu	que tu	que el	que nosautres	que vosautres	que eles
	present	infiltre	infiltres	infiltre	infiltrem	infiltretz	infiltran
	imperfect	infiltrèsse	infiltrèsses	infiltrèsse	infiltressiam	infiltressiatz	infiltrèsson
compound tenses	past	use the present subjunctive of aver + past participle
	pluperfect	use the imperfect subjunctive of aver + past participle
imperative		—	tu	—	nosautres	vosautres	—
			infiltra		infiltrem	infiltratz	1Now chiefly obsolete, still in use in some Limousin and Vivaro-Alpin dialects

Related terms

• infiltracion

Further reading

• Diccionari General de la Lenga Occitana‎^[1], L’Academia occitana – Consistòri del Gai Saber, 2008-2025, page 372

Portuguese

Pronunciation

 

• (Brazil) IPA^(key): /ĩ.fiwˈtɾa(ʁ)/ [ĩ.fiʊ̯ˈtɾa(h)]

• (Brazil) IPA^(key): /ĩ.fiwˈtɾa(ʁ)/ [ĩ.fiʊ̯ˈtɾa(h)]
  • (São Paulo) IPA^(key): /ĩ.fiwˈtɾa(ɾ)/ [ĩ.fiʊ̯ˈtɾa(ɾ)]
  • (Rio de Janeiro) IPA^(key): /ĩ.fiwˈtɾa(ʁ)/ [ĩ.fiʊ̯ˈtɾa(χ)]
  • (Caipira) IPA^(key): /ĩ.fiwˈtɾa(ɻ)/ [ĩ.fiʊ̯ˈtɾa(ɻ)]

 

• (Portugal) IPA^(key): /ĩ.filˈtɾaɾ/ [ĩ.fiɫˈtɾaɾ]

• (Portugal) IPA^(key): /ĩ.filˈtɾaɾ/ [ĩ.fiɫˈtɾaɾ]
  • (Southern Portugal) IPA^(key): /ĩ.filˈtɾa.ɾi/ [ĩ.fiɫˈtɾa.ɾi]

• Hyphenation: in‧fil‧trar

Verb

infiltrar (first-person singular present infiltro, first-person singular preterite infiltrei, past participle infiltrado)

1. to infiltrate

Conjugation

    Conjugation of infiltrar (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	infiltrar
Personal	infiltrar	infiltrares	infiltrar	infiltrarmos	infiltrardes	infiltrarem
Gerund
	infiltrando
Past participle
Masculine	infiltrado			infiltrados
Feminine	infiltrada			infiltradas
Indicative
Present	infiltro	infiltras	infiltra	infiltramos	infiltrais	infiltram
Imperfect	infiltrava	infiltravas	infiltrava	infiltrávamos	infiltráveis	infiltravam
Preterite	infiltrei	infiltraste	infiltrou	infiltramos1, infiltrámos2	infiltrastes	infiltraram
Pluperfect	infiltrara	infiltraras	infiltrara	infiltráramos	infiltráreis	infiltraram
Future	infiltrarei	infiltrarás	infiltrará	infiltraremos	infiltrareis	infiltrarão
Conditional	infiltraria	infiltrarias	infiltraria	infiltraríamos	infiltraríeis	infiltrariam
Subjunctive
Present	infiltre	infiltres	infiltre	infiltremos	infiltreis	infiltrem
Imperfect	infiltrasse	infiltrasses	infiltrasse	infiltrássemos	infiltrásseis	infiltrassem
Future	infiltrar	infiltrares	infiltrar	infiltrarmos	infiltrardes	infiltrarem
Imperative
Affirmative		infiltra	infiltre	infiltremos	infiltrai	infiltrem
Negative (não)		não infiltres	não infiltre	não infiltremos	não infiltreis	não infiltrem

¹Brazilian Portuguese.
²European Portuguese.

Related terms

• infiltração

Further reading

• “infiltrar”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “infiltrar”, in Dicionário inFormal (in Portuguese), 2006–2026
• “infiltrar” in Dicionário Aberto based on Novo Diccionário da Língua Portuguesa de Cândido de Figueiredo, 1913
• “infiltrar”, in Dicionário infopédia da Lingua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2026
• “infiltrar”, in Michaelis Dicionário Brasileiro da Língua Portuguesa (in Portuguese), São Paulo: Editora Melhoramentos, 2015–2026, →ISBN
• “infiltrar”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Etymology

From in- +‎ filtrar.

Pronunciation

• IPA^(key): /infilˈtɾaɾ/ [ĩɱ.fil̪ˈt̪ɾaɾ]

• Audio (Colombia):

  (file)

• Rhymes: -aɾ
• Syllabification: in‧fil‧trar

Verb

infiltrar (first-person singular present infiltro, first-person singular preterite infiltré, past participle infiltrado)

1. to infiltrate

Conjugation

    Conjugation of infiltrar (See Appendix:Spanish verbs)

infinitive			infiltrar
gerund			infiltrando
past participle				masculine		feminine
		singular		infiltrado		infiltrada
		plural		infiltrados		infiltradas
		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	infiltro	infiltrastú infiltrásvos	infiltra	infiltramos	infiltráis	infiltran
	imperfect	infiltraba	infiltrabas	infiltraba	infiltrábamos	infiltrabais	infiltraban
	preterite	infiltré	infiltraste	infiltró	infiltramos	infiltrasteis	infiltraron
	future	infiltraré	infiltrarás	infiltrará	infiltraremos	infiltraréis	infiltrarán
	conditional	infiltraría	infiltrarías	infiltraría	infiltraríamos	infiltraríais	infiltrarían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	infiltre	infiltrestú infiltrésvos2	infiltre	infiltremos	infiltréis	infiltren
	imperfect (ra)	infiltrara	infiltraras	infiltrara	infiltráramos	infiltrarais	infiltraran
	imperfect (se)	infiltrase	infiltrases	infiltrase	infiltrásemos	infiltraseis	infiltrasen
	future1	infiltrare	infiltrares	infiltrare	infiltráremos	infiltrareis	infiltraren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		infiltratú infiltrávos	infiltre	infiltremos	infiltrad	infiltren
	negative		no infiltres	no infiltre	no infiltremos	no infiltréis	no infiltren

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

    Selected combined forms of infiltrar

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 infiltrar	dative	infiltrarme	infiltrarte	infiltrarle, infiltrarse	infiltrarnos	infiltraros	infiltrarles, infiltrarse
	accusative	infiltrarme	infiltrarte	infiltrarlo, infiltrarla, infiltrarse	infiltrarnos	infiltraros	infiltrarlos, infiltrarlas, infiltrarse
with gerund infiltrando	dative	infiltrándome	infiltrándote	infiltrándole, infiltrándose	infiltrándonos	infiltrándoos	infiltrándoles, infiltrándose
	accusative	infiltrándome	infiltrándote	infiltrándolo, infiltrándola, infiltrándose	infiltrándonos	infiltrándoos	infiltrándolos, infiltrándolas, infiltrándose
with informal second-person singular tuteo imperative infiltra	dative	infíltrame	infíltrate	infíltrale	infíltranos	not used	infíltrales
	accusative	infíltrame	infíltrate	infíltralo, infíltrala	infíltranos	not used	infíltralos, infíltralas
with informal second-person singular voseo imperative infiltrá	dative	infiltrame	infiltrate	infiltrale	infiltranos	not used	infiltrales
	accusative	infiltrame	infiltrate	infiltralo, infiltrala	infiltranos	not used	infiltralos, infiltralas
with formal second-person singular imperative infiltre	dative	infíltreme	not used	infíltrele, infíltrese	infíltrenos	not used	infíltreles
	accusative	infíltreme	not used	infíltrelo, infíltrela, infíltrese	infíltrenos	not used	infíltrelos, infíltrelas
with first-person plural imperative infiltremos	dative	not used	infiltrémoste	infiltrémosle	infiltrémonos	infiltrémoos	infiltrémosles
	accusative	not used	infiltrémoste	infiltrémoslo, infiltrémosla	infiltrémonos	infiltrémoos	infiltrémoslos, infiltrémoslas
with informal second-person plural imperative infiltrad	dative	infiltradme	not used	infiltradle	infiltradnos	infiltraos	infiltradles
	accusative	infiltradme	not used	infiltradlo, infiltradla	infiltradnos	infiltraos	infiltradlos, infiltradlas
with formal second-person plural imperative infiltren	dative	infíltrenme	not used	infíltrenle	infíltrennos	not used	infíltrenles, infíltrense
	accusative	infíltrenme	not used	infíltrenlo, infíltrenla	infíltrennos	not used	infíltrenlos, infíltrenlas, infíltrense

Derived terms

• infiltración
• infiltrante

Further reading

• “infiltrar”, 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