complementar

Catalan

Pronunciation

• IPA^(key): (Northern, Central) [kum.plə.mənˈta]
• IPA^(key): (Balearic) [kom.plə.mənˈta]
• IPA^(key): (Valencia) [kom.ple.menˈtaɾ]
• IPA^(key): (Northwestern) [kom.ple.menˈta]
• Rhymes: -a(ɾ)

Verb

complementar (first-person singular present complemento, first-person singular preterite complementí, past participle complementat); root stress: (Northern) /e̞/; (Balearic, Central, Northwestern, Valencia) /e/

1. (transitive) to complement (to provide what the partner lacks)

Conjugation

    Central Catalan conjugation of complementar (first conjugation)

infinitive			complementar
gerund			complementant
past participle				masculine		feminine
		singular		complementat		complementada
		plural		complementats		complementades
person		singular			plural
		first	second	third	first	second	third
indicative		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	complemento	complementes	complementa	complementem	complementeu	complementen
	imperfect	complementava	complementaves	complementava	complementàvem	complementàveu	complementaven
	future	complementaré	complementaràs	complementarà	complementarem	complementareu	complementaran
	preterite	complementí	complementares	complementà	complementàrem	complementàreu	complementaren
	conditional	complementaria	complementaries	complementaria	complementaríem	complementaríeu	complementarien
subjunctive		jo	tu	ell/ella vostè	nosaltres nós	vosaltres vós	ells/elles vostès
	present	complementi	complementis	complementi	complementem	complementeu	complementin
	imperfect	complementés	complementessis	complementés	complementéssim	complementéssiu	complementessin
imperative		—	tu	vostè	nosaltres	vosaltres vós	vostès
	affirmative	—	complementa	complementi	complementem	complementeu	complementin
	negative (no)	—	no complementis	no complementi	no complementem	no complementeu	no complementin

Related terms

• complement

Further reading

• “complementar”, 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

Galician

Verb

complementar (first-person singular present complemento, first-person singular preterite complementei, past participle complementado)

1. (transitive) to complement (to provide what the partner lacks)

Conjugation

    Conjugation of complementar

	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	complementar
Personal	complementar	complementares	complementar	complementarmos	complementardes	complementaren
Gerund
	complementando
Past participle
Masculine	complementado			complementados
Feminine	complementada			complementadas
Indicative
Present	complemento	complementas	complementa	complementamos	complementades	complementan
Imperfect	complementaba	complementabas	complementaba	complementabamos	complementabades	complementaban
Preterite	complementei	complementaches	complementou	complementamos	complementastes	complementaron
Pluperfect	complementara	complementaras	complementara	complementaramos	complementarades	complementaran
Future	complementarei	complementarás	complementará	complementaremos	complementaredes	complementarán
Conditional	complementaría	complementarías	complementaría	complementariamos	complementariades	complementarían
Subjunctive
Present	complemente	complementes	complemente	complementemos	complementedes	complementen
Imperfect	complementase	complementases	complementase	complementásemos	complementásedes	complementasen
Future	complementar	complementares	complementar	complementarmos	complementardes	complementaren
Imperative
Affirmative		complementa	complemente	complementemos	complementade	complementen
Negative (non)		non complementes	non complemente	non complementemos	non complementedes	non complementen

Related terms

• complementario
• complemento

Further reading

• “complementar”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026

Portuguese

Pronunciation

 

• (Brazil) IPA^(key): /kõ.ple.mẽˈta(ʁ)/ [kõ.ple.mẽˈta(h)]

• (Brazil) IPA^(key): /kõ.ple.mẽˈta(ʁ)/ [kõ.ple.mẽˈta(h)]
  • (São Paulo) IPA^(key): /kõ.ple.mẽˈta(ɾ)/
  • (Rio de Janeiro) IPA^(key): /kõ.ple.mẽˈta(ʁ)/ [kõ.ple.mẽˈta(χ)]
  • (Caipira) IPA^(key): /kõ.ple.mẽˈta(ɻ)/

 

• (Portugal) IPA^(key): /kõ.plɨ.mẽˈtaɾ/

• (Portugal) IPA^(key): /kõ.plɨ.mẽˈtaɾ/
  • (Southern Portugal) IPA^(key): /kõ.plɨ.mẽˈta.ɾi/

• Hyphenation: com‧ple‧men‧tar

Adjective

complementar m or f (plural complementares)

1. complementary

Verb

complementar (first-person singular present complemento, first-person singular preterite complementei, past participle complementado)

1. to complement

Conjugation

    Conjugation of complementar (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	complementar
Personal	complementar	complementares	complementar	complementarmos	complementardes	complementarem
Gerund
	complementando
Past participle
Masculine	complementado			complementados
Feminine	complementada			complementadas
Indicative
Present	complemento	complementas	complementa	complementamos	complementais	complementam
Imperfect	complementava	complementavas	complementava	complementávamos	complementáveis	complementavam
Preterite	complementei	complementaste	complementou	complementamos1, complementámos2	complementastes	complementaram
Pluperfect	complementara	complementaras	complementara	complementáramos	complementáreis	complementaram
Future	complementarei	complementarás	complementará	complementaremos	complementareis	complementarão
Conditional	complementaria	complementarias	complementaria	complementaríamos	complementaríeis	complementariam
Subjunctive
Present	complemente	complementes	complemente	complementemos	complementeis	complementem
Imperfect	complementasse	complementasses	complementasse	complementássemos	complementásseis	complementassem
Future	complementar	complementares	complementar	complementarmos	complementardes	complementarem
Imperative
Affirmative		complementa	complemente	complementemos	complementai	complementem
Negative (não)		não complementes	não complemente	não complementemos	não complementeis	não complementem

¹Brazilian Portuguese.
²European Portuguese.

Related terms

• complemento

Further reading

• “complementar”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “complementar”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Romanian

Etymology

Etymology tree

Proto-Indo-European *ḱe?

Proto-Indo-European *ḱóm

Proto-Italic *kom

Proto-Italic *kom-

Latin con-

Proto-Indo-European *pleh₁-

Proto-Italic *plēō

Latin pleō

Latin compleō

Proto-Indo-European *-mn̥

Proto-Indo-European *-mn̥tom

Proto-Italic *-mentom

Latin -mentum

Latin complēmentumlbor.

French complément

Proto-Indo-European *h₂el-

Proto-Indo-European *-is

Proto-Indo-European *h₂élisder.?

Proto-Italic *-ālis

Latin -ālis

Latin -ārisslbor.

Proto-Indo-European *-eh₂

Proto-Indo-European *-os?

Proto-Indo-European *-o-

Proto-Indo-European *-so-

Proto-Indo-European *-eh₂so-

Proto-Indo-European *-yós

Proto-Indo-European *-eh₂s(i)yós

Proto-Italic *-āsijos

Proto-Italic *-āsios

Latin -āriusslbor.

French -aire

French complémentairebor.

Romanian complementar

Borrowed from French complémentaire. By surface analysis, complement + -ar.

Adjective

complementar m or n (feminine singular complementară, masculine plural complementari, feminine/neuter plural complementare)

1. complementary

Declension

Declension of complementar

		singular			plural
		masculine	neuter	feminine	masculine	neuter	feminine
nominative- accusative	indefinite	complementar		complementară	complementari	complementare
	definite	complementarul		complementara	complementarii	complementarele
genitive- dative	indefinite	complementar		complementare	complementari	complementare
	definite	complementarului		complementarei	complementarilor	complementarelor

Related terms

• complementaritate

Spanish

Etymology

Etymology tree

Spanish complemento

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-yéti

Proto-Indo-European *-eh₂yéti

Proto-Indo-European *-h₂tiinflu.

Proto-Italic *-ājō

Proto-Italic *-āō

Latin -āre

Old Spanish -ar

Spanish -ar

Spanish complementar

From complemento + -ar.

Pronunciation

• IPA^(key): /komplemenˈtaɾ/ [kõm.ple.mẽn̪ˈt̪aɾ]
• Rhymes: -aɾ
• Syllabification: com‧ple‧men‧tar

Verb

complementar (first-person singular present complemento, first-person singular preterite complementé, past participle complementado)

1. (transitive) to complement (to provide what the partner lacks)
   • 2020 August 5, Angel Jiménez de Luis, “Estas son las nuevas iMac de Apple”, in CNN en Español‎^[1], archived from the original on 19 August 2025:

     Es una experiencia que complementa la CPU y la GPU para realizar las tareas más rápido y que se apoya en el chip T2 integrado, que también controla la seguridad del equipo.

     (please add an English translation of this quotation)

2. to eke out

Conjugation

    Conjugation of complementar (See Appendix:Spanish verbs)

infinitive			complementar
gerund			complementando
past participle				masculine		feminine
		singular		complementado		complementada
		plural		complementados		complementadas
		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	complemento	complementastú complementásvos	complementa	complementamos	complementáis	complementan
	imperfect	complementaba	complementabas	complementaba	complementábamos	complementabais	complementaban
	preterite	complementé	complementaste	complementó	complementamos	complementasteis	complementaron
	future	complementaré	complementarás	complementará	complementaremos	complementaréis	complementarán
	conditional	complementaría	complementarías	complementaría	complementaríamos	complementaríais	complementarían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	complemente	complementestú complementésvos2	complemente	complementemos	complementéis	complementen
	imperfect (ra)	complementara	complementaras	complementara	complementáramos	complementarais	complementaran
	imperfect (se)	complementase	complementases	complementase	complementásemos	complementaseis	complementasen
	future1	complementare	complementares	complementare	complementáremos	complementareis	complementaren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		complementatú complementávos	complemente	complementemos	complementad	complementen
	negative		no complementes	no complemente	no complementemos	no complementéis	no complementen

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

    Selected combined forms of complementar

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 complementar	dative	complementarme	complementarte	complementarle, complementarse	complementarnos	complementaros	complementarles, complementarse
	accusative	complementarme	complementarte	complementarlo, complementarla, complementarse	complementarnos	complementaros	complementarlos, complementarlas, complementarse
with gerund complementando	dative	complementándome	complementándote	complementándole, complementándose	complementándonos	complementándoos	complementándoles, complementándose
	accusative	complementándome	complementándote	complementándolo, complementándola, complementándose	complementándonos	complementándoos	complementándolos, complementándolas, complementándose
with informal second-person singular tuteo imperative complementa	dative	compleméntame	compleméntate	compleméntale	compleméntanos	not used	compleméntales
	accusative	compleméntame	compleméntate	compleméntalo, compleméntala	compleméntanos	not used	compleméntalos, compleméntalas
with informal second-person singular voseo imperative complementá	dative	complementame	complementate	complementale	complementanos	not used	complementales
	accusative	complementame	complementate	complementalo, complementala	complementanos	not used	complementalos, complementalas
with formal second-person singular imperative complemente	dative	compleménteme	not used	compleméntele, compleméntese	compleméntenos	not used	compleménteles
	accusative	compleménteme	not used	compleméntelo, compleméntela, compleméntese	compleméntenos	not used	compleméntelos, compleméntelas
with first-person plural imperative complementemos	dative	not used	complementémoste	complementémosle	complementémonos	complementémoos	complementémosles
	accusative	not used	complementémoste	complementémoslo, complementémosla	complementémonos	complementémoos	complementémoslos, complementémoslas
with informal second-person plural imperative complementad	dative	complementadme	not used	complementadle	complementadnos	complementaos	complementadles
	accusative	complementadme	not used	complementadlo, complementadla	complementadnos	complementaos	complementadlos, complementadlas
with formal second-person plural imperative complementen	dative	compleméntenme	not used	compleméntenle	compleméntennos	not used	compleméntenles, compleméntense
	accusative	compleméntenme	not used	compleméntenlo, compleméntenla	compleméntennos	not used	compleméntenlos, compleméntenlas, compleméntense

Related terms

• complemento

Further reading

• “complementar”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), 24th edition, Royal Spanish Academy [Spanish: Real Academia Española], 30 October 2026