[ ni-geyt, neg-eyt ]
See synonyms for: negatenegatednegatesnegating on

verb (used with object),ne·gat·ed, ne·gat·ing.
  1. to deny the existence, evidence, or truth of: an investigation tending to negate any supernatural influences.

  2. to nullify or cause to be ineffective: Progress on the study has been negated by the lack of funds.

verb (used without object),ne·gat·ed, ne·gat·ing.
  1. to be negative; bring or cause negative results: a pessimism that always negates.

Origin of negate

First recorded in 1615–25; from Latin negātus “denied,” past participle of negāre “to deny, refuse,” from neg-, variant of nec “not”; see neglect

Other words from negate

  • ne·ga·tor, ne·gat·er, noun
  • re·ne·gate, verb (used with object), re·ne·gat·ed, re·ne·gat·ing.
  • self-ne·gat·ing, adjective
  • un·ne·gat·ed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use negate in a sentence

British Dictionary definitions for negate


/ (nɪˈɡeɪt) /

  1. to make ineffective or void; nullify; invalidate

  2. to deny or contradict

Origin of negate

C17: from Latin negāre, from neg-, variant of nec not + aio I say

Derived forms of negate

  • negator or negater, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012