Invalidate - definition, pronunciation, transcription

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Amer.  |ɪnˈvælɪdeɪt|  American pronunciation of the word invalidate
Brit.  |ɪnˈvælɪdeɪt|  British pronunciation of the word invalidate

verb

- declare invalid (syn: annul, avoid, nullify, quash, void)
- make invalid for use (syn: cancel)
- show to be invalid (syn: nullify)
- take away the legal force of or render ineffective (syn: vitiate, void)
invalidate a contract

Extra examples

The study invalidates earlier theories.

Failure to disclose all relevant changes may invalidate your policy.

Later findings invalidated the theory.

The theory was unvalidated by later findings.

Word forms

verb
I/you/we/they: invalidate
he/she/it: invalidates
present participle: invalidating
past tense: invalidated
past participle: invalidated
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