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Antonyms of verb invalidate

3 of 4 senses of invalidate

Sense 1
invalidate, annul, quash, void, avoid, nullify -- (declare invalid; "The contract was annulled"; "void a plea")
       Antonym of validate (Sense 1)
      => validate, formalize, formalise -- (declare or make legally valid)

Sense 3
invalidate, nullify -- (show to be invalid)
       Antonym of validate (Sense 2)
      => validate -- (prove valid; show or confirm the validity of something)

Sense 4
invalidate, void, vitiate -- (take away the legal force of or render ineffective; "invalidate a contract")
       Antonym of validate (Sense 4)
      => validate -- (make valid or confirm the validity of; "validate a ticket")

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb invalidate

4 senses of invalidate

Sense 1
invalidate, annul, quash, void, avoid, nullify -- (declare invalid; "The contract was annulled"; "void a plea")
       => cancel, strike down -- (declare null and void; make ineffective; "Cancel the election results"; "strike down a law")

Sense 2
cancel, invalidate -- (make invalid for use; "cancel cheques or tickets")
       => score, mark -- (make underscoring marks)

Sense 3
invalidate, nullify -- (show to be invalid)
       => negate, contradict -- (prove negative; show to be false)

Sense 4
invalidate, void, vitiate -- (take away the legal force of or render ineffective; "invalidate a contract")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")

Antonyms of adj invalidated

1 sense of invalidated

Sense 1
invalidated, nullified -- (deprived of legal force)

INDIRECT (VIA invalid) -> valid -- (well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract")

Similarity of adj invalidated

1 sense of invalidated

Sense 1
invalidated, nullified -- (deprived of legal force)
       => invalid (vs. valid) -- (having no cogency or legal force; "invalid reasoning"; "an invalid driver's license")


thesaurus -Overview of thesaurus verb -Antonyms -Hypernyms -Hyponyms & Hyponym Tree -Synonyms (ordered by estimated frequency) -Derived Forms -Familiarity & Polysemy Count -Verb Frames -Coordinate Terms (sisters) -Synonyms (grouped by similarity of meaning) -List of Compound Words -Overview of Senses adj -Antonyms -Synonyms (ordered by estimated frequency) -Familiarity & Polysemy Count -List of Compound Words -Overview of Senses	Antonyms of verb invalidate 3 of 4 senses of invalidate Sense 1 invalidate, annul, quash, void, avoid, nullify -- (declare invalid; "The contract was annulled"; "void a plea") Antonym of validate (Sense 1) => validate, formalize, formalise -- (declare or make legally valid) Sense 3 invalidate, nullify -- (show to be invalid) Antonym of validate (Sense 2) => validate -- (prove valid; show or confirm the validity of something) Sense 4 invalidate, void, vitiate -- (take away the legal force of or render ineffective; "invalidate a contract") Antonym of validate (Sense 4) => validate -- (make valid or confirm the validity of; "validate a ticket") Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb invalidate 4 senses of invalidate Sense 1 invalidate, annul, quash, void, avoid, nullify -- (declare invalid; "The contract was annulled"; "void a plea") => cancel, strike down -- (declare null and void; make ineffective; "Cancel the election results"; "strike down a law") Sense 2 cancel, invalidate -- (make invalid for use; "cancel cheques or tickets") => score, mark -- (make underscoring marks) Sense 3 invalidate, nullify -- (show to be invalid) => negate, contradict -- (prove negative; show to be false) Sense 4 invalidate, void, vitiate -- (take away the legal force of or render ineffective; "invalidate a contract") => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue") Antonyms of adj invalidated 1 sense of invalidated Sense 1 invalidated, nullified -- (deprived of legal force) INDIRECT (VIA invalid) -> valid -- (well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract") Similarity of adj invalidated 1 sense of invalidated Sense 1 invalidated, nullified -- (deprived of legal force) => invalid (vs. valid) -- (having no cogency or legal force; "invalid reasoning"; "an invalid driver's license")
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