Definition of invalidate
Etymology
From the Latin valere meaning "to be strong". Literal derivation is "to make not strong".
Verb
to invalidate (third-person singular simple present invalidates, present participle invalidating, simple past and past participle invalidated)
- To make invalid. Esp. applied to contract law.
The circuit court judge's ruling was invalidated by a superior judge.
References:
- Wiktionary. Published under the Creative Commons Attribution/Share-Alike License.
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