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Counteract vs Nullify - What's the difference?

counteract | nullify |

As verbs the difference between counteract and nullify

is that counteract is to act in opposition to; thwart; to hinder, defeat, or frustrate, by contrary agency or influence; as, to counteract the effect of medicines; to counteract good advice while nullify is to make legally invalid.

counteract

English

Verb

(en verb)
  • To act in opposition to; thwart; to hinder, defeat, or frustrate, by contrary agency or influence; as, to counteract the effect of medicines; to counteract good advice.

    • Synonyms

    * See also

    Derived terms

    * counteractant * counteracter * counteractingly * counteraction * counteractive * counteractively * counteractor

    nullify

    English

    Verb

  • (legal) to make legally invalid.
    • The contract has been nullified .
  • to prevent from happening

    • Related terms

    * null * nullification * nullifiable * annihilate

    Synonyms

    * (to make legally invalid) annul, cancel