invalidate

Mane (Îngilîzî)

  1. To make invalid. Especially applied to contract law.
  2. To make or declare (an argument, statement, or theory) unsound or erroneous; disprove.
  3. To render invalid; discredit.

Wekî (IPA) tê bilêvkirin
/ɪnˈvæl.ɪ.deɪt/
Etîmolojî (Îngilîzî)

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

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