invalidate

English

Etymology

First attested in 1649; borrowed from Middle French invalider, from invalide +‎ -er. By surface analysis, in- +‎ validate or invalid +‎ -ate.

Pronunciation

(UK) IPA^(key): /ɪnˈvæl.ɪ.deɪt/
(US) IPA^(key): /ɪnˈvæl.əˌdeɪt/
- Audio (US): (file)
(General Australian) IPA^(key): /ɪnˈvæl.ə.dæɪt/

Verb

invalidate (third-person singular simple present invalidates, present participle invalidating, simple past and past participle invalidated)

To make invalid. Especially applied to contract law.
Synonym: extinguish

The circuit court judge's ruling was invalidated by a superior judge.
To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
To render invalid; discredit.
Telling an angry person to "calm down" can invalidate their feelings.

Synonyms

Antonyms

validate

Derived terms

Translations

to make invalid

Bulgarian: обезсилвам (bg) (obezsilvam), анулирам (bg) (anuliram)
Catalan: invalidar (ca)
Chinese:
Mandarin: 使無效 / 使无效
Czech: zneplatnit pf
Dutch: ontkrachten (nl)
Finnish: mitätöidä (fi)
French: invalider (fr)
German: entkräften (de)
Greek:
Ancient Greek: ἀθετέω (athetéō)
Hindi: निरस्त (hi) (nirast)
Hungarian: érvénytelenít (hu), hatálytalanít (hu)
Ido: desvalidigar (io)
Latin: invalidō
Māori: whakanoa, whakamanakore
Polish: unieważniać (pl) impf, unieważnić (pl) pf
Slovak: zneplatniť pf
Spanish: invalidar (es)
Swedish: ogiltigförklara (sv)
Turkish: geçersizleştirmek (tr), hükümsüz kılmak (tr)
Ottoman Turkish: ابطال ایتمك (ibtâl etmek), بوزمق (bozmak)
Ukrainian: скасува́ти (uk) pf (skasuváty)

Italian

Etymology 1

Verb

invalidate

inflection of invalidare:
1. second-person plural present indicative
2. second-person plural imperative

Etymology 2

Participle

invalidate f pl

feminine plural of invalidato

Spanish

Verb

invalidate

second-person singular voseo imperative of invalidar combined with te