Synonyms for invalidate
ɪnˈvæl ɪˌdeɪtin·val·i·date

Complete Dictionary of Synonyms and AntonymsRate these synonyms:0.0 / 0 votes

1. invalidate

   Synonyms:
   annul, overthrow

Princeton's WordNetRate these synonyms:0.0 / 0 votes

1. invalidate, annul, quash, void, avoid, nullifyverb

   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, invalidateverb

   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, nullifyverb

   show to be invalid

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

   Antonyms:
   validate, formalise, formalize

4. invalidate, void, vitiateverb

   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

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Dictionary of English SynonymesRate these synonyms:0.0 / 0 votes

1. invalidateverb

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

Synonyms, Antonyms & Associated WordsRate these synonyms:0.0 / 0 votes

1. invalidateverb

   Synonyms:
   annul, abrogate, cancel, quash, nullify

PPDB, the paraphrase databaseRate these paraphrases:0.0 / 0 votes

1. List of paraphrases for "invalidate":

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

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How to use invalidate in a sentence?

1. Erik Burton:

   At this juncture, the DeKalb County Board of Registration and Elections has no legal authority under state law to invalidate presidential election results certified in December of 2020 by the Georgia Secretary of State, election contests for the 2020 presidential election had to be filed in court within five days of the certification by the Secretary of State.

2. Chet Nagle:

   They'll fix it whatever it is. And the fact that you have a test aircraft crash, or an aerostat break loose, doesn't invalidate the system, the fact of the matter remains, the threat that this system was designed to counter hasn't gone away.

3. Perrysburg School Superintendent Thomas Hosler:

   Clearly someone spent a lot of time in their basement working hard to invalidate our survey, that gives you an idea of how people are reacting to pandemic decisions. This year, for our teachers especially, it feels a lot more stressful and we're only in November.

4. District Attorney John Chisholm:

   Is there going to be an individual I divert, or I put into treatment program, who's going to go out and kill somebody ? you bet. Guaranteed. It's guaranteed to happen. It does not invalidate the overall approach.

5. Rachel King:

   The preliminary ruling by a federal judge in Texas is an assault on science and the FDA’s long-standing role as the authority to make decisions on the safety and efficacy of medicines. For a court to invalidate the approval of a drug that was reviewed and approved more than two decades ago is without precedent. As legal scholars have noted, the courts do not have the medical expertise to make these types of scientific determinations.