requerir

See also: requérir

Catalan

Etymology

Borrowed from Latin requīrere, with normal change of conjugation to -ir.

Pronunciation

• IPA^(key): (Northern, Balearic, Central) [rə.kəˈɾi]
• IPA^(key): (Valencia) [re.keˈɾiɾ]
• IPA^(key): (Northwestern) [re.keˈɾi]

• Audio (Barcelona):

  (file)

• Rhymes: -i(ɾ)

Verb

requerir (first-person singular present requereixo, first-person singular preterite requerí, past participle requerit)

1. (transitive) to require, need

   Synonym: exigir

2. (transitive, law) to demand

   Synonym: intimar

Conjugation

    Central Catalan conjugation of requerir (third conjugation, with -eix-)

infinitive			requerir
gerund			requerint
past participle				masculine		feminine
		singular		requerit		requerida
		plural		requerits		requerides
person		singular			plural
		first	second	third	first	second	third
indicative		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	requereixo	requereixes	requereix	requerim	requeriu	requereixen
	imperfect	requeria	requeries	requeria	requeríem	requeríeu	requerien
	future	requeriré	requeriràs	requerirà	requerirem	requerireu	requeriran
	preterite	requerí	requerires	requerí	requerírem	requeríreu	requeriren
	conditional	requeriria	requeriries	requeriria	requeriríem	requeriríeu	requeririen
subjunctive		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	requereixi	requereixis	requereixi	requerim	requeriu	requereixin
	imperfect	requerís	requerissis	requerís	requeríssim	requeríssiu	requerissin
imperative		—	tu	vostè	nosaltres	vosaltres vós	vostès
	affirmative	—	requereix	requereixi	requerim	requeriu	requereixin
	negative (no)	—	no requereixis	no requereixi	no requerim	no requeriu	no requereixin

Derived terms

• requeriment

Related terms

• requisició
• requisit

Further reading

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

Middle French

Verb

requerir

1. to require
   • 1595, Michel de Montaigne, Essais:

     La justice requeroit que les Romains eussent raison de ce forfaict ; la difficulté en empéchoit les voyes ordinaires

     (please add an English translation of this quotation)

Spanish

Etymology

Etymology tree

Proto-Italic *wre-

Latin re-

Latin quaerō

Latin requīrereder.

Spanish requerir

Derived from Latin requīrere.

Pronunciation

• IPA^(key): /rekeˈɾiɾ/ [re.keˈɾiɾ]
• Rhymes: -iɾ
• Syllabification: re‧que‧rir

Verb

requerir (first-person singular present requiero, first-person singular preterite requerí, past participle requerido)

1. to require, need

   Requiere de mucho trabajo. ― It requires a lot of work.

   • 2017 May 27, Matt Egan, “Trump quiere perforar petróleo en el frágil refugio de vida salvaje de Alaska”, in CNN en Español‎^[1]:

     Abrir el refugio de Alaska a la perforación requiere una acción del Congreso y los ecologistas ya prometen una fuerte oposición.

     (please add an English translation of this quotation)

2. to ask for, send for, call for

Conjugation

    Conjugation of requerir (e-ie-i alternation) (See Appendix:Spanish verbs)

infinitive			requerir
gerund			requiriendo
past participle				masculine		feminine
		singular		requerido		requerida
		plural		requeridos		requeridas
		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	requiero	requierestú requerísvos	requiere	requerimos	requerís	requieren
	imperfect	requería	requerías	requería	requeríamos	requeríais	requerían
	preterite	requerí	requeriste	requirió	requerimos	requeristeis	requirieron
	future	requeriré	requerirás	requerirá	requeriremos	requeriréis	requerirán
	conditional	requeriría	requerirías	requeriría	requeriríamos	requeriríais	requerirían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	requiera	requierastú requirásvos2	requiera	requiramos	requiráis	requieran
	imperfect (ra)	requiriera	requirieras	requiriera	requiriéramos	requirierais	requirieran
	imperfect (se)	requiriese	requirieses	requiriese	requiriésemos	requirieseis	requiriesen
	future1	requiriere	requirieres	requiriere	requiriéremos	requiriereis	requirieren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		requieretú requerívos	requiera	requiramos	requerid	requieran
	negative		no requieras	no requiera	no requiramos	no requiráis	no requieran

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

    Selected combined forms of requerir (e-ie-i 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 requerir	dative	requerirme	requerirte	requerirle, requerirse	requerirnos	requeriros	requerirles, requerirse
	accusative	requerirme	requerirte	requerirlo, requerirla, requerirse	requerirnos	requeriros	requerirlos, requerirlas, requerirse
with gerund requiriendo	dative	requiriéndome	requiriéndote	requiriéndole, requiriéndose	requiriéndonos	requiriéndoos	requiriéndoles, requiriéndose
	accusative	requiriéndome	requiriéndote	requiriéndolo, requiriéndola, requiriéndose	requiriéndonos	requiriéndoos	requiriéndolos, requiriéndolas, requiriéndose
with informal second-person singular tuteo imperative requiere	dative	requiéreme	requiérete	requiérele	requiérenos	not used	requiéreles
	accusative	requiéreme	requiérete	requiérelo, requiérela	requiérenos	not used	requiérelos, requiérelas
with informal second-person singular voseo imperative requerí	dative	requerime	requerite	requerile	requerinos	not used	requeriles
	accusative	requerime	requerite	requerilo, requerila	requerinos	not used	requerilos, requerilas
with formal second-person singular imperative requiera	dative	requiérame	not used	requiérale, requiérase	requiéranos	not used	requiérales
	accusative	requiérame	not used	requiéralo, requiérala, requiérase	requiéranos	not used	requiéralos, requiéralas
with first-person plural imperative requiramos	dative	not used	requirámoste	requirámosle	requirámonos	requirámoos	requirámosles
	accusative	not used	requirámoste	requirámoslo, requirámosla	requirámonos	requirámoos	requirámoslos, requirámoslas
with informal second-person plural imperative requerid	dative	requeridme	not used	requeridle	requeridnos	requeríos	requeridles
	accusative	requeridme	not used	requeridlo, requeridla	requeridnos	requeríos	requeridlos, requeridlas
with formal second-person plural imperative requieran	dative	requiéranme	not used	requiéranle	requiérannos	not used	requiéranles, requiéranse
	accusative	requiéranme	not used	requiéranlo, requiéranla	requiérannos	not used	requiéranlos, requiéranlas, requiéranse

Derived terms

• requerimiento

Related terms

• requisa
• requisar
• requisición
• requisito

Further reading

• “requerir”, 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