Synonyms for invalidate
ɪnˈvæl ɪˌdeɪt

Princeton's WordNet(0.00 / 0 votes)Rate these synonyms:

1. invalidate, annul, quash, void, avoid, nullify(verb)

   declare invalid

   "The contract was annulled"; "void a plea"

   Synonyms:
   ward off, empty, fend off, keep off, avoid, quash, keep down, neutralize, annul, overturn, lift, neutralise, head off, nullify, deflect, stave off, rescind, subjugate, evacuate, reduce, avert, vitiate, repeal, debar, forefend, negate, forfend, reverse, obviate, revoke, vacate, subdue, cancel, void, countermand, repress

   Antonyms:
   formalize, validate, formalise

2. cancel, invalidate(verb)

   make invalid for use

   "cancel cheques or tickets"

   Synonyms:
   set off, void, nullify, vitiate, scrub, cancel, annul, avoid, scratch, strike down, quash, call off, delete, offset

   Antonyms:
   validate, formalise, formalize

3. invalidate, nullify(verb)

   show to be invalid

   Synonyms:
   neutralise, void, nullify, vitiate, neutralize, annul, avoid, cancel, negate, quash

   Antonyms:
   validate, formalise, formalize

4. invalidate, void, vitiate(verb)

   take away the legal force of or render ineffective

   "invalidate a contract"

   Synonyms:
   impair, debase, pervert, spoil, avoid, deprave, debauch, empty, annul, vitiate, subvert, evacuate, profane, deflower, cancel, misdirect, demoralise, mar, nullify, quash, corrupt, demoralize, void

   Antonyms:
   validate, formalize, formalise

Complete Dictionary of Synonyms and Antonyms(0.00 / 0 votes)Rate these synonyms:

1. invalidate

   Synonyms:
   annul, overthrow

Dictionary of English Synonymes(0.00 / 0 votes)Rate these synonyms:

1. invalidate(v. a.)

   Synonyms:
   nullify, annul, cancel, overthrow, make void, render of no effect

PPDB, the paraphrase database(0.00 / 0 votes)Rate these synonyms:

1. List of paraphrases:

   override, nullify, overrule, cancel, quash, annul, overturn, rescind, negate

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