• The result or outcome of a cause.
  • Impression left on the mind; sensation produced.
  • Execution; performance; realization; operation.
  • An illusion produced by technical means (as in "special effect")
  • An alteration, or device for producing an alteration, in sound after it has been produced by an instrument.
  • A scientific phenomenon, usually named after its discoverer.
  • Belongings, usually as personal effects.
  • Consequence intended; purpose; meaning; general intent; with to.
  • Reality; actual meaning; fact, as distinguished from mere appearance.
  • Manifestation; expression; sign.


  • To make or bring about; to implement.
  • Misspelling of affect


Narrower meaning words


  • For noun: from Middle English effect, from Old French effect (modern French effet), from Latin effectus ("an effect, tendency, purpose"), from efficiō; see effect as a verb. Replaced Old English fremming, fremednes from fremman.
  • For verb: from Middle English effecten, partly from Latin effectus, perfect passive participle of efficiō, from ex + faciō (see fact and compare affect, infect) and partly from the noun effect.

Modern English dictionary

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