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Counteract vs Undefined - What's the difference?

counteract | undefined |

As a verb 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.

As an adjective undefined is

lacking a definition or value.

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

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined