uncir

Spanish

Etymology

Inherited from Old Spanish unzir (also uñir), from Latin iungere, iungō, from Proto-Italic *jungō, from Proto-Indo-European *yunégti ~ *yungénti, from the root *yewg-.

Pronunciation

• IPA^(key): /unˈθiɾ/ [ũn̟ˈθiɾ] (Equatorial Guinea, Spain)
• IPA^(key): /unˈsiɾ/ [ũnˈsiɾ] (Latin America, Philippines)
• Rhymes: -iɾ
• Syllabification: un‧cir

Verb

uncir (first-person singular present unzo, first-person singular preterite uncí, past participle uncido)

1. to yoke

   Alternative forms: juncir (uncommon), uñir

Conjugation

    Conjugation of uncir (c-z alternation) (See Appendix:Spanish verbs)

infinitive			uncir
gerund			unciendo
past participle				masculine		feminine
		singular		uncido		uncida
		plural		uncidos		uncidas
		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	unzo	uncestú uncísvos	unce	uncimos	uncís	uncen
	imperfect	uncía	uncías	uncía	uncíamos	uncíais	uncían
	preterite	uncí	unciste	unció	uncimos	uncisteis	uncieron
	future	unciré	uncirás	uncirá	unciremos	unciréis	uncirán
	conditional	unciría	uncirías	unciría	unciríamos	unciríais	uncirían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	unza	unzastú unzásvos2	unza	unzamos	unzáis	unzan
	imperfect (ra)	unciera	uncieras	unciera	unciéramos	uncierais	uncieran
	imperfect (se)	unciese	uncieses	unciese	unciésemos	uncieseis	unciesen
	future1	unciere	uncieres	unciere	unciéremos	unciereis	uncieren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		uncetú uncívos	unza	unzamos	uncid	unzan
	negative		no unzas	no unza	no unzamos	no unzáis	no unzan

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

    Selected combined forms of uncir (c-z alternation)

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 uncir	dative	uncirme	uncirte	uncirle, uncirse	uncirnos	unciros	uncirles, uncirse
	accusative	uncirme	uncirte	uncirlo, uncirla, uncirse	uncirnos	unciros	uncirlos, uncirlas, uncirse
with gerund unciendo	dative	unciéndome	unciéndote	unciéndole, unciéndose	unciéndonos	unciéndoos	unciéndoles, unciéndose
	accusative	unciéndome	unciéndote	unciéndolo, unciéndola, unciéndose	unciéndonos	unciéndoos	unciéndolos, unciéndolas, unciéndose
with informal second-person singular tuteo imperative unce	dative	únceme	úncete	úncele	úncenos	not used	únceles
	accusative	únceme	úncete	úncelo, úncela	úncenos	not used	úncelos, úncelas
with informal second-person singular voseo imperative uncí	dative	uncime	uncite	uncile	uncinos	not used	unciles
	accusative	uncime	uncite	uncilo, uncila	uncinos	not used	uncilos, uncilas
with formal second-person singular imperative unza	dative	únzame	not used	únzale, únzase	únzanos	not used	únzales
	accusative	únzame	not used	únzalo, únzala, únzase	únzanos	not used	únzalos, únzalas
with first-person plural imperative unzamos	dative	not used	unzámoste	unzámosle	unzámonos	unzámoos	unzámosles
	accusative	not used	unzámoste	unzámoslo, unzámosla	unzámonos	unzámoos	unzámoslos, unzámoslas
with informal second-person plural imperative uncid	dative	uncidme	not used	uncidle	uncidnos	uncíos	uncidles
	accusative	uncidme	not used	uncidlo, uncidla	uncidnos	uncíos	uncidlos, uncidlas
with formal second-person plural imperative unzan	dative	únzanme	not used	únzanle	únzannos	not used	únzanles, únzanse
	accusative	únzanme	not used	únzanlo, únzanla	únzannos	not used	únzanlos, únzanlas, únzanse

Further reading

• “uncir”, 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
• Seco, Manuel; Andrés, Olimpia; Ramos, Gabino (2023), “uncir”, in Diccionario del español actual [Dictionary of Current Spanish] (in Spanish), third digital edition, Fundación BBVA