English

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Etymology

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From in- +‎ Latin valere (to be strong).

Pronunciation

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Verb

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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

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Antonyms

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Translations

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Italian

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Etymology 1

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Verb

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invalidate

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

Etymology 2

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Participle

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invalidate f pl

  1. feminine plural of invalidato

Spanish

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Verb

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invalidate

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