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Dictionary

  Definition of invalidate
  1. take away the legal force of or render ineffective; "invalidate as a contract"
  2. show to be invalid
  3. of cheques or tickets
  4. declare invalid; "The contract was annulled"; "void a plea"
Similar Words: void, vitiate, nullify, cancel, annul, quash, avoid

 

Hyponyms: break, stet

 

Derivational Morphology: vitiation, annulment, invalidation, invalidator, voider, nullifier, nullification, override, nothingness, void, nullity

 

Anagrams: evidential, ventilated

 

 
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