invalidate

From in- +‎ Latin valere (“to be strong”); literally, “to make not strong”.

• (UK) IPA^(key): /ˌɪnˈvæl.ɪ.deɪt/

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.

• vitiate

• validate

invalidate

1. second-person plural present indicative of invalidare
2. second-person plural imperative of invalidare
3. feminine plural of invalidato