Invalidate Meaning

There are 4 meaning(s) for word Invalidate

Meaning 1 : declare invalid

    Synonyms : annul,  avoid,  nullify,  quash,  void
Meaning 2 : make invalid for use

    Synonyms : cancel
Meaning 3 : take away the legal force of or render ineffective

    Example : invalidate a contract

    Synonyms : vitiate,  void
Meaning 4 : show to be invalid

    Synonyms : nullify

Invalidate Antonyms