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)

1. To make invalid. Especially applied to contract law.

   The circuit court judge's ruling was invalidated by a superior judge.

2. To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
3. To render invalid; discredit.

   Telling an angry person to "calm down" can invalidate their feelings.

Synonyms

• disprove
• vitiate
• negate

Antonyms

• validate

Derived terms

• invalidator
• microinvalidate

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: ἀθετέω (athetéō)

• Hindi: निरस्त (hi) (nirast)
• Hungarian: érvénytelenít (hu), hatálytalanít (hu)
• Ido: desvalidigar (io)
• Latin: invalidō
• Maori: whakanoa, whakamanakore
• Ottoman Turkish: ابطال ایتمك (ibtâl etmek), بوزمق (bozmak)
• Polish: unieważniać (pl) impf, unieważnić (pl) pf
• Slovak: zneplatniť pf
• Spanish: invalidar (es)
• Swedish: ogiltigförklara (sv)
• Turkish: geçersizleştirmek (tr), hükümsüz kılmak (tr)
• Ukrainian: скасува́ти (uk) pf (skasuváty)

Italian

Etymology 1

Verb

invalidate

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

Etymology 2

Participle

invalidate f pl

1. feminine plural of invalidato

Spanish

Verb

invalidate

1. second-person singular voseo imperative of invalidar combined with te