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WordNet-OnlineFree dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
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Adjective invalidated has 1 sense
invalidated, nullified - deprived of legal forceAntonym:  valid (indirect, via invalid)
 
 
Verb invalidate has 4 senses
invalidate, annul, quash, void, avoid, nullify - declare invalid; "The contract was annulled"; "void a plea"--1 is one way to cancel, strike down
 Antonyms:  validate, formalize, formalise
 Sample sentences:
 Somebody ----s something
 Something ----s something
 
cancel, invalidate - of cheques or tickets--2 is one way to score, mark
 Sample sentence:
 Somebody ----s something
 
invalidate, nullify - show to be invalid--3 is one way to negate, contradict
 Antonyms:  validate
 Sample sentences:
 Somebody ----s something
 Something ----s something
 
invalidate, void, vitiate - take away the legal force of or render ineffective; "invalidateas a contract"--4 is one way to change, alter, modify
 Antonyms:  validate
 Sample sentences:
 Somebody ----s something
 Something ----s something
 
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