English Lexicon

Take effect

verb phraseCEFR B2 (Upper)Top #2500 frequency
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Comprehensive Definitions & Senses

2 senses
As verb phrase
  1. 1

    To become operational, active, or effective; to begin to produce results.

    "The new tax laws will take effect at the beginning of next year."
  2. 2

    Of a medication or treatment, to start working or showing clinical results.

    "It usually takes about twenty minutes for the painkiller to take effect."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived from the verb 'take' (from Old English 'tacan', of Old Norse origin) combined with 'effect' (from Latin 'effectus', past participle of 'efficere' meaning 'to accomplish' or 'bring about'). Historically established in legal and administrative contexts to denote the precise moment a rule or policy becomes operative.

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