unir

Catalan

Etymology

Borrowed from Latin ūnīre.

Pronunciation

• IPA^(key): (Central, Balearic) [uˈni]
• IPA^(key): (Valencian) [uˈniɾ]
• Homophone: uní

Verb

unir (first-person singular present uneixo, first-person singular preterite uní, past participle unit)

1. (transitive) to unite, join
2. (transitive) to combine
3. (transitive) to link together
4. (intransitive) to be united, to be joined
5. (takes a reflexive pronoun) to join (a group), to become a participant or member of [+ a (object)]

Conjugation

    Conjugation of unir (third conjugation, with -eix-)

infinitive			unir
gerund			unint
past participle				masculine		feminine
		singular		unit		unida
		plural		units		unides
person		singular			plural
		first	second	third	first	second	third
indicative		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	uneixo	uneixes	uneix	unim	uniu	uneixen
	imperfect	unia	unies	unia	uníem	uníeu	unien
	future	uniré	uniràs	unirà	unirem	unireu	uniran
	preterite	uní	unires	uní	unírem	uníreu	uniren
	conditional	uniria	uniries	uniria	uniríem	uniríeu	unirien
subjunctive		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	uneixi	uneixis	uneixi	unim	uniu	uneixin
	imperfect	unís	unissis	unís	uníssim	uníssiu	unissin
imperative		—	tu	vostè	nosaltres	vosaltres vós	vostès
	affirmative	—	uneix	uneixi	unim	uniu	uneixin
	negative (no)	—	no uneixis	no uneixi	no unim	no uniu	no uneixin

Derived terms

• unir-se

Related terms

• un

Further reading

• “unir” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
• “unir” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• “unir”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2024
• “unir” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.

French

Etymology

Inherited from Old French unir, borrowed from Latin ūnīre.

Pronunciation

• IPA^(key): /y.niʁ/
• Rhymes: -iʁ

• Audio (France, Paris)

  (file)

Verb

unir

1. (transitive) to unite, join
2. (transitive) to combine

Conjugation

This is a regular verb of the second conjugation, like finir, choisir, and most other verbs with infinitives ending in -ir. One salient feature of this conjugation is the repeated appearance of the infix -iss-.

Conjugation of unir (see also Appendix:French verbs)

infinitive	simple	unir
	compound	avoir + past participle
present participle or gerund1	simple	unissant /y.ni.sɑ̃/
	compound	ayant + past participle
past participle		uni /y.ni/
		singular			plural
		first	second	third	first	second	third
indicative		je (j’)	tu	il, elle, on	nous	vous	ils, elles
(simple tenses)	present	unis /y.ni/	unis /y.ni/	unit /y.ni/	unissons /y.ni.sɔ̃/	unissez /y.ni.se/	unissent /y.nis/
	imperfect	unissais /y.ni.sɛ/	unissais /y.ni.sɛ/	unissait /y.ni.sɛ/	unissions /y.ni.sjɔ̃/	unissiez /y.ni.sje/	unissaient /y.ni.sɛ/
	past historic2	unis /y.ni/	unis /y.ni/	unit /y.ni/	unîmes /y.nim/	unîtes /y.nit/	unirent /y.niʁ/
	future	unirai /y.ni.ʁe/	uniras /y.ni.ʁa/	unira /y.ni.ʁa/	unirons /y.ni.ʁɔ̃/	unirez /y.ni.ʁe/	uniront /y.ni.ʁɔ̃/
	conditional	unirais /y.ni.ʁɛ/	unirais /y.ni.ʁɛ/	unirait /y.ni.ʁɛ/	unirions /y.ni.ʁjɔ̃/	uniriez /y.ni.ʁje/	uniraient /y.ni.ʁɛ/
(compound tenses)	present perfect	present indicative of avoir + past participle
	pluperfect	imperfect indicative of avoir + past participle
	past anterior2	past historic of avoir + past participle
	future perfect	future of avoir + past participle
	conditional perfect	conditional of avoir + past participle
subjunctive		que je (j’)	que tu	qu’il, qu’elle	que nous	que vous	qu’ils, qu’elles
(simple tenses)	present	unisse /y.nis/	unisses /y.nis/	unisse /y.nis/	unissions /y.ni.sjɔ̃/	unissiez /y.ni.sje/	unissent /y.nis/
	imperfect2	unisse /y.nis/	unisses /y.nis/	unît /y.ni/	unissions /y.ni.sjɔ̃/	unissiez /y.ni.sje/	unissent /y.nis/
(compound tenses)	past	present subjunctive of avoir + past participle
	pluperfect2	imperfect subjunctive of avoir + past participle
imperative		–	tu	–	nous	vous	–
simple		—	unis /y.ni/	—	unissons /y.ni.sɔ̃/	unissez /y.ni.se/	—
compound		—	simple imperative of avoir + past participle	—	simple imperative of avoir + past participle	simple imperative of avoir + past participle	—
1 The French gerund is usable only with the preposition en.
2 In less formal writing or speech, these tenses may be found to have been replaced in the following way: past historic → present perfect past anterior → pluperfect imperfect subjunctive → present subjunctive pluperfect subjunctive → past subjunctive (Christopher Kendris [1995], Master the Basics: French, pp. 77, 78, 79, 81).

Antonyms

• séparer

Derived terms

• Émirats arabes unis
• États-Unis d’Amérique
• prolétaires de tous les pays, unissez-vous

Related terms

• un
• uni
• union
• unique

 

Further reading

• “unir”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Ladin

Etymology

From Latin ūnīre, present active infinitive of ūniō.

Verb

unir

1. to unite

Conjugation

• Ladin conjugation varies from one region to another. Hence, the following conjugation should be considered as typical, not as exhaustive.

Conjugation of unir (fourth conjugation)

infinitive	unir, unì
auxiliary verb		avei	gerund		unian
past participle		unì
person	singular			plural
	first	second	third	first	second	third
indicative	ie	tu	el / ela	nos	vos	ei / eles
present	une, unesce	unes, unesces	un, unesc	union	unieis	un, unesc
imperfect	unive	unives	univa	univan	univais	univa
future	uniré	uniras	unirà	uniron	unireis	unirà
subjunctive	che ie	che tu	che el / ela	che nos	che vos	che ei / eles
present	une, unesce	unes, unesces	une, unesce	union	unieis	une, unesce
imperfect	unisse	unisses	unissa	unissan	unissais	unissa
imperative	–	tu	–	nos	vos	–
	—	un, unesc	—	union	unide	—

Occitan

Etymology

From Latin ūnīre, present active infinitive of ūniō. Attested from the 14th century.

Pronunciation

• Audio (Béarn)

  (file)

Verb

unir

1. to unite

Conjugation

    Conjugation of unir in Lengadocian (Central Occitan)

		simple			compound
infinitive		unir			?er unit
past participle		unit			—
gerund		unissent			?ent unit
person		singular			plural
		first	second	third	first	second	third
indicative		ieu	tu	el	nosautres	vosautres	eles
	present	unissi	unisses	unís	unissèm	unissètz	unisson
	imperfect	unissiái	unissiás	unissiá	unissiam	unissiatz	unissián
	preterite	uniguèri	uniguères	uniguèt	uniguèrem	uniguèretz	uniguèron
	future	unirai	uniràs	unirà	unirem	uniretz	uniràn
	conditional	uniriái	uniriás	uniriá	uniriam	uniriatz	unirián
	conditional 2nd form1	uniguèra	uniguèras	uniguèra	unigueram	unigueratz	uniguèran
compound tenses	present perfect	use the present tense of ?er plus the past participle
	pluperfect	use the imperfect tense of ?er plus the past participle
	past anterior	use the preterite tense of ?er plus the past participle
	future perfect	use the future tense of ?er plus the past participle
	conditional perfect	use the conditional tense of ?er plus the past participle
subjunctive		que ieu	que tu	que el	que nosautres	que vosautres	que eles
	present	unisca	uniscas	unisca	uniscam	uniscatz	uniscan
	imperfect	uniguèsse	uniguèsses	uniguèsse	uniguèssem	uniguèssetz	uniguèsson
compound tenses	past	use the present subjunctive of ?er plus the past participle
	pluperfect	use the imperfect subjunctive of ?er plus the past participle
imperative		—	tu	—	nosautres	vosautres	—
			unís		uniscam	unissetz	1Now chiefly obsolete, still in use in some Limousin and Vivaro-Alpin dialects

Related terms

• union

Portuguese

Etymology

Learned borrowing from Latin ūnīre (“to unite”), from ūnus (“one”), from Old Latin oinos, from Proto-Indo-European *óynos (“one; single”).

Pronunciation

 

• (Brazil) IPA^(key): /uˈni(ʁ)/ [uˈni(h)]

• (Brazil) IPA^(key): /uˈni(ʁ)/ [uˈni(h)]
  • (São Paulo) IPA^(key): /uˈni(ɾ)/
  • (Rio de Janeiro) IPA^(key): /uˈni(ʁ)/ [uˈni(χ)]
  • (Southern Brazil) IPA^(key): /uˈni(ɻ)/

 

• (Portugal) IPA^(key): /uˈniɾ/

• (Portugal) IPA^(key): /uˈniɾ/
  • (Southern Portugal) IPA^(key): /uˈni.ɾi/

• Homophone: uni (Brazil)
• Hyphenation: u‧nir

Verb

unir (first-person singular present uno, first-person singular preterite uni, past participle unido)

1. (transitive) to bind; to connect

   Synonyms: colar, conectar, grudar, jungir, juntar, ligar, prender, vincular

   Antonyms: desconectar, desprender, desvincular, separar

2. (transitive, intransitive) to unite (come or bring together as one)

   Synonyms: aliar, casar, conectar, juntar, vincular

   Antonyms: desvincular, separar

Conjugation

    Conjugation of unir (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	unir
Personal	unir	unires	unir	unirmos	unirdes	unirem
Gerund
	unindo
Past participle
Masculine	unido			unidos
Feminine	unida			unidas
Indicative
Present	uno	unes	une	unimos	unis	unem
Imperfect	unia	unias	unia	uníamos	uníeis	uniam
Preterite	uni	uniste	uniu	unimos	unistes	uniram
Pluperfect	unira	uniras	unira	uníramos	uníreis	uniram
Future	unirei	unirás	unirá	uniremos	unireis	unirão
Conditional	uniria	unirias	uniria	uniríamos	uniríeis	uniriam
Subjunctive
Present	una	unas	una	unamos	unais	unam
Imperfect	unisse	unisses	unisse	uníssemos	unísseis	unissem
Future	unir	unires	unir	unirmos	unirdes	unirem
Imperative
Affirmative		une	una	unamos	uni	unam
Negative (não)		não unas	não una	não unamos	não unais	não unam

Related terms

• união
• unido

 

Further reading

• “unir” in iDicionário Aulete.
• “unir” in Dicionário inFormal.
• “unir” in Dicionário Aberto based on Novo Diccionário da Língua Portuguesa de Cândido de Figueiredo, 1913
• “unir” in Dicionário infopédia da Língua Portuguesa. Porto: Porto Editora, 2003–2024.
• “unir” in Michaelis Dicionário Brasileiro da Língua Portuguesa.
• “unir” in Dicionário Priberam da Língua Portuguesa.

Spanish

Etymology

Borrowed from Latin ūnīre.

Pronunciation

• IPA^(key): /uˈniɾ/ [uˈniɾ]

• Audio (Colombia):

  (file)

• Rhymes: -iɾ
• Syllabification: u‧nir

Verb

unir (first-person singular present uno, first-person singular preterite uní, past participle unido)

1. (transitive or reflexive) to unite, join

   ¡Únete al sindicato!

   Join up with the union!

2. (transitive) to merge, conflate

Conjugation

    Conjugation of unir (See Appendix:Spanish verbs)

infinitive			unir
gerund			uniendo
past participle				masculine		feminine
		singular		unido		unida
		plural		unidos		unidas
		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	uno	unestú unísvos	une	unimos	unís	unen
	imperfect	unía	unías	unía	uníamos	uníais	unían
	preterite	uní	uniste	unió	unimos	unisteis	unieron
	future	uniré	unirás	unirá	uniremos	uniréis	unirán
	conditional	uniría	unirías	uniría	uniríamos	uniríais	unirían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	una	unastú unásvos2	una	unamos	unáis	unan
	imperfect (ra)	uniera	unieras	uniera	uniéramos	unierais	unieran
	imperfect (se)	uniese	unieses	uniese	uniésemos	unieseis	uniesen
	future1	uniere	unieres	uniere	uniéremos	uniereis	unieren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		unetú unívos	una	unamos	unid	unan
	negative		no unas	no una	no unamos	no unáis	no unan

¹Mostly obsolete, now mainly used in legal language.
²Argentine and Uruguayan voseo prefers the tú form for the present subjunctive.

    Selected combined forms of unir

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 unir
	dative	unirme	unirte	unirle, unirse	unirnos	uniros	unirles, unirse
	accusative	unirme	unirte	unirlo, unirla, unirse	unirnos	uniros	unirlos, unirlas, unirse
with gerund uniendo
	dative	uniéndome	uniéndote	uniéndole, uniéndose	uniéndonos	uniéndoos	uniéndoles, uniéndose
	accusative	uniéndome	uniéndote	uniéndolo, uniéndola, uniéndose	uniéndonos	uniéndoos	uniéndolos, uniéndolas, uniéndose
with informal second-person singular tú imperative une
	dative	úneme	únete	únele	únenos	not used	úneles
	accusative	úneme	únete	únelo, únela	únenos	not used	únelos, únelas
with informal second-person singular vos imperative uní
	dative	unime	unite	unile	uninos	not used	uniles
	accusative	unime	unite	unilo, unila	uninos	not used	unilos, unilas
with formal second-person singular imperative una
	dative	úname	not used	únale, únase	únanos	not used	únales
	accusative	úname	not used	únalo, únala, únase	únanos	not used	únalos, únalas
with first-person plural imperative unamos
	dative	not used	unámoste	unámosle	unámonos	unámoos	unámosles
	accusative	not used	unámoste	unámoslo, unámosla	unámonos	unámoos	unámoslos, unámoslas
with informal second-person plural imperative unid
	dative	unidme	not used	unidle	unidnos	uníos	unidles
	accusative	unidme	not used	unidlo, unidla	unidnos	uníos	unidlos, unidlas
with formal second-person plural imperative unan
	dative	únanme	not used	únanle	únannos	not used	únanles, únanse
	accusative	únanme	not used	únanlo, únanla	únannos	not used	únanlos, únanlas, únanse

Related terms

• un
• unible
• unido
• unión
• unitario
• unitivo

 

Further reading

• “unir”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014

Venetian

Etymology

From Latin ūnīre, present active infinitive of ūniō. Compare Italian unire.

Verb

unir

1. (transitive) to unite, join (together)

Conjugation

• Venetian conjugation varies from one region to another. Hence, the following conjugation should be considered as typical, not as exhaustive.

Conjugation of unir (third conjugation)

infinitive	unir
auxiliary verb		aver	gerund		unéndo
past participle		unito, unìo
person	singular			plural
	first	second	third	first	second	third
indicative	mi	ti	eło / eła	noialtri / noialtre	voialtri / voialtre	łuri / łore
present	uniso	(te) unisi	(el/ła) unise	unimo	unì	(i/łe) unise
imperfect	unìa	(te) univi	(el/ła) unìa	unìvimo	univi	(i/łe) unìa
future	unirò	(te) unirè	(el/ła) unirà	unirémo	unirè	(i/łe) unirà
conditional	mi	ti	eło / eła	noialtri / noialtre	voialtri / voialtre	łuri / łore
present	unirìa	(te) unirisi	(el/ła) unirìa	unirìsimo	unirisi	(i/łe) unirìa
subjunctive	che mi	che ti	che eło / eła	che noialtri / noialtre	che voialtri / voialtre	che łuri / łore
present	unisa	(te) unisi	(el/ła) unisa	unimo	unì	(i/łe) unisa
imperfect	unise	(te) unisi	(el/ła) unise	unisimo	unisi	(i/łe) unise
imperative	—	ti	eło / eła	noialtri / noialtre	voialtri / voialtre	łuri / łore
	—	(te) unisi	(el/ła) unisa	unimo	unì	(i/łe) unisa

Welsh

Pronunciation

• (North Wales) IPA^(key): /ˈɨ̞nɪr/
• (South Wales) IPA^(key): /ˈiːnɪr/, /ˈɪnɪr/

Verb

unir

1. (literary) impersonal present/future of uno