Definition of

Invalidate

  1. (verb, change) take away the legal force of or render ineffective
  2. (verb, cognition) show to be invalid
  3. (verb, communication) make invalid for use
  4. (verb, social) declare invalid
    void a plea

via WordNet, Princeton University

Synonyms of Invalidate

annul, avoid, cancel, nullify, quash, vitiate, void

Antonyms of Invalidate

validate

Alternate forms of Invalidate

Derivations: invalidation, invalidator

Hyponyms: break, stet

Hypernyms: alter, cancel, change, contradict, mark, modify, negate, score, strike down

Words that sound like Invalidate

immobility, immovability, impelled, implode, impolite, inability, inbuilt, infield, inflate, inflated, invalid, invalidated, invalidity, inviolate, involute

via soundex() Hash Matches

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