Synonyms & Antonyms of negate

1 to declare not to be true
  • this evidence negates his claim that he was not at the scene of the crime

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2 to put an end to by formal action
  • Prohibition was established by the 18th amendment to the U.S. Constitution, only to be negated by the 21st amendment 13 years later

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3 to think not to be true or real
  • you simply can't negate your feelings for someone, even if they don't feel the same way about you

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Antonyms for negate

See the Dictionary Definition 

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nullify, negate, annul, abrogate, invalidate mean to deprive of effective or continued existence. nullify implies counteracting completely the force, effectiveness, or value of something. a penalty nullified the touchdown negate implies the destruction or canceling out of each of two things by the other. the arguments negate each other annul suggests making ineffective or nonexistent often by legal or official action. the treaty annuls all previous agreements abrogate is like annul but more definitely implies a legal or official act. a law to abrogate trading privileges invalidate implies making something powerless or unacceptable by declaration of its logical or moral or legal unsoundness. the court invalidated the statute

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Time Traveler for negate

Time Traveler

The first known use of negate was circa 1623

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Cite this Entry

“Negate.” The Thesaurus, Merriam-Webster Inc., Accessed 25 January 2020.

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More from Merriam-Webster on negate

Dictionary: Definition of negate

Rhyming Dictionary: Words that rhyme with negate

Spanish Central: Translation of negate

Nglish: Translation of negate for Spanish Speakers

Britannica English: Translation of negate for Arabic Speakers

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dull or mediocre

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