invalidate
/ĭn-văl′ĭ-dāt″/
verb
- show to be invalid
- take away the legal force of or render ineffective
- declare invalid void a plea
Encyclopedia Britannica
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Invalidate Definition & Meaning | Britannica Dictionary
The study invalidates earlier theories.
Longman
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invalidate | meaning of invalidate in Longman Dictionary of Contemporary English | LDOCE
Word family (noun) validity ≠ invalidity (adjective) valid ≠ invalid (verb) validate ≠ invalidate From Longman Dictionary of Contemporary Englishinvalidatein‧val‧i‧date /ɪnˈvælədeɪt/ ●○○ AWL verb [transitive] 1 USE somethingto make a document, ticket, claim etc no longer legally or officially acceptable Failure to disclose all relevant changes may invalidate your policy.2 WRONG/INCORRECTto show that something such as a belief or explanation is wrong Later findings invalidated the theory.→ See Verb tableExamples from the Corpusinvalidate• If we look closely at Profess
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WordHippo
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What is another word for invalidated? | Invalidated Synonyms - WordHippo Thesaurus
Synonyms for invalidated include cancelled, canceled, annulled, rescinded, repealed, nullified, quashed, abrogated, voided and abolished. Find more similar words at wordhippo.com!
Promova
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What part of speech is the word invalidates? — Promova
It may be easy to mistakenly use a word like 'invalid' or 'void' when the intention is to invalidate something.
Oxford English Dictionary
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invalidate, v. meanings, etymology and more | Oxford English Dictionary
Revisions and additions of this kind were last incorporated into invalidate, v.
Collins Dictionary
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INVALIDATE definition in American English | Collins English Dictionary
Word forms: 3rd person singular present tense invalidates , present participle invalidating , past tense, past participle invalidated ... If something invalidates something such as a law, contract, or election, it causes it to be considered illegal.
Published March 12, 2018
Merriam-Webster
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Definition of INVALIDATE
1 week ago - The meaning of INVALIDATE is to make invalid; especially : to weaken or destroy the cogency of. How to use invalidate in a sentence. Synonym Discussion of Invalidate.
Vocabulary.com
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Invalidate - Definition, Meaning & Synonyms | Vocabulary.com
If administrators find out that students cheated on a test, the school might invalidate their class grades. To invalidate means to cancel something or make it void, as if it never happened.
Thesaurus.com
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INVALIDATE Synonyms & Antonyms - 95 words | Thesaurus.com
Find 95 different ways to say INVALIDATE, along with antonyms, related words, and example sentences at Thesaurus.com.
Merriam-Webster
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INVALIDATE Synonyms: 79 Similar and Opposite Words | Merriam-Webster Thesaurus
2 weeks ago - Synonyms for INVALIDATE: abolish, repeal, cancel, overturn, nullify, avoid, void, negate; Antonyms of INVALIDATE: enact, establish, found, legislate, lay down, validate, legitimate, institute
Cambridge Dictionary
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INVALIDATED | definition in the Cambridge English Dictionary
2 weeks ago - INVALIDATED meaning: 1. past simple and past participle of invalidate 2. to officially stop a document, ticket, law…. Learn more.
Collins Dictionary
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Synonyms of INVALIDATED | Collins American English Thesaurus
Synonyms for INVALIDATED: nullify, annul, cancel, overthrow, undermine, undo, …
Thesaurus.plus
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Words Invalidate and Invalidated have similar meaning
Invalidated is a synonym for invalidate.
BetterWords Online
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Invalidate (verb) – Definition and Examples
The verb 'invalidate' can be traced back to the Latin word 'invalidare,' which is a combination of 'in,' meaning 'not,' and 'validus,' meaning 'strong' or 'valid.' In Latin, 'invalidare' meant to weaken or make something not valid or strong, ...
YourDictionary
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Invalidated Definition & Meaning | YourDictionary
Something made invalid. ... Simple past tense and past participle of invalidate.
Dictionary.com
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INVALIDATE Definition & Meaning | Dictionary.com
INVALIDATE definition: to render invalid; discredit. See examples of invalidate used in a sentence.
Wiktionary
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invalidate - Wiktionary, the free dictionary
By surface analysis, in- + validate or invalid + -ate.
Collins Dictionary
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INVALIDATE - Meaning & Translations | Collins English Dictionary
● transitive verb: [document, argument, theory] invalidar; [contract] anular, invalidar [...] See entry See more languages ... Drag the correct answer into the box. ... Drag the correct answer into the box.
Merriam-Webster
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INVALIDATED Synonyms: 176 Similar and Opposite Words | Merriam-Webster Thesaurus
2 weeks ago - Verb The law also invalidated birth certificates for those who updated their gender markers. —Jo Yurcaba, NBC news, 11 Mar. 2026 Almost immediately, a moment of sheer quality from Wilfried Zaha invalidated that approach. —David Eckert, Austin American Statesman, 7 Mar.