negate Meaning, Definition & Usage

  1. verb be in contradiction with
    contradict; belie.
  2. verb deny the truth of
    contradict; contravene.
  3. verb prove negative; show to be false
    contradict.
  4. verb make ineffective by counterbalancing the effect of
    nullify; neutralise; neutralize.
    • Her optimism neutralizes his gloom
    • This action will negate the effect of my efforts

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