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  1. act
    IPA[akt]
  2. verb

    • 1. take action; do something:

      they urged Washington to act governments must act to reduce pollution
      Synonym : take action, take steps, take measures, take the initiative, move, make a move, react, do something, proceed, go ahead, make progress, make headway, be active, be employed, be busy, get moving
    • 2. take action according to or in the light of:

      I shall certainly act on his suggestion
    • 3. take action in order to bring about:

      one's ability to act for community change
      Synonym : take action, take steps, take measures, take the initiative, move, make a move, react, do something, proceed, go ahead, make progress, make headway, be active, be employed, be busy, get moving
    • 4. represent (someone) on a contractual, legal, or paid basis:

      he chose a solicitor to act for him
    • 5. be motivated by:

      you acted from greed
    • 6. behave in the way specified:

      they challenged a man who was seen acting suspiciously he acts as if he owned the place try to act like civilized adults
      Synonym : behave, function, react, perform, conduct oneself, acquit oneself, bear oneself, comport oneself, deport oneself
    • 7. fulfil the function or serve the purpose of:

      they need volunteers to act as foster-parents a day-care centre which will act as a meeting place
      Synonym : operate, work, take effect, function, serve, be efficacious
    • 8. take effect; have a particular effect:

      bacteria act on proteins and sugar
    • 9. perform a role in a play, film, or television:

      she acted in her first professional role at the age of six he acted the role of the king
      Synonym : perform, play, play a part, take part, be an actor, be an actress, be one of the cast, appear, tread the boards
    • 10. behave so as to appear to be; pretend to be:

      I acted dumb at first
    • 11. perform a narrative as if it were a play:

      encouraging pupils to act out the stories
    • 12. express repressed emotion or impulses in overt behaviour as a defensive substitute for conscious recall, typical of some behavioural disorders.

    noun

  3. Variation

    • n.: noun: act, plural noun: acts

    • v.: verb: act, 3rd person present: acts, gerund or present participle: acting, past tense: acted, past participle: acted