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  1. Dictionary
    in·val·i·date
    [inˈvaləˌdāt]
    verb
    invalidate (verb) · invalidates (third person present) · invalidated (past tense) · invalidated (past participle) · invalidating (present participle)
    1. make (an argument, statement, or theory) unsound or erroneous.
    2. deprive (an official document or procedure) of legal efficacy because of contravention of a regulation or law:
      "a technical flaw in her papers invalidated her nomination"
    Origin
    mid 17th century: from medieval Latin invalidat- ‘annulled’, from the verb invalidare (based on Latin validus ‘strong’).
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    Similar and Opposite Words
    verb
    1. make (an argument, statement, or theory) unsound or erroneous.
    2. deprive (an official document or procedure) of legal efficacy because of contravention of a regulation or law:
      Opposite:
     
    Kizdar net | Kizdar net | Кыздар Нет
  1. Invalidate Definition & Meaning - Merriam-Webster

     
  2. INVALIDATE | English meaning - Cambridge Dictionary

  3. INVALIDATE | definition in the Cambridge English …

    Learn the meaning of invalidate, a verb that means to make something not true or unacceptable, or to prove something wrong. See how to use it in sentences and how to say it in different languages.

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  5. INVALIDATE definition and meaning | Collins English …

    Invalidated means to prove wrong or cause to be wrong, or to take away the legal force of something. Learn the pronunciation, synonyms, grammar, and usage of invalidated with examples and translations.

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    Learn the meaning of invalidate, a verb that means to make invalid or deprive of legal force. See synonyms, antonyms, origin, and sentence examples of invalidate.

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