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negate

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negate in WordNet English dictionary

verb
  1. be in contradiction with
    contradict  belie  negate 
  2. prove negative; show to be false
    negate  contradict 
  3. deny the truth of
    contradict  negate  contravene 
  4. make ineffective by counterbalancing the effect of
    "Her optimism neutralizes his gloom"; "This action will negate the effect of my efforts"
    neutralize  neutralise  nullify  negate 
WordNet Lexical Database v3.0, © 2006 Princeton University


negate in English Wiktionary

 
  1. (verb) To deny the existence, evidence, or truth of; to contradict: "an investigation tending to negate any supernatural influences".
  2. (verb) To nullify or cause to be ineffective; to nullify: "Progress on the study has been negated by the lack of funds".
  3. (verb) To be negative; bring or cause negative results: "a pessimism that always negates".
  4. (verb) (computing) To perform the NOT operation on.
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