Link Centre Dictionary

invalidate

in·va·li·date

UK/ɪnˈvæl.ɪ.deɪt/ US/ɪnˈvæl.əˌdeɪt/ uncommon

verb

1.

declare invalid

  • “The contract was annulled”
  • “void a plea”
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2.

of cheques or tickets

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3.

show to be invalid

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4.

take away the legal force of or render ineffective

  • “invalidate as a contract”
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Antonyms

Origin

First attested in 1649; borrowed from Middle French invalider, from invalide + -er. By surface analysis, in- + validate or invalid + -ate.

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.