A person who does something intentionally or with forethought acts or takes action. The word "act" can be used as a noun or as a verb.

In these examples, "act" is a verb:

  • Bertha acted quickly when she learned she was in trouble.
  • If you don’t act now, you’ll miss the opportunity to buy that car on sale.
  • Dennis is acting strangely today. What’s wrong with him?
  • That’s not the way a person in his position is supposed to act. He should resign.
  • My computer is acting up again. I might have to take it in to get fixed. (act up = to misbehave)

In these examples, "act" is a noun:

  • Acts of kindness helped the tornado victims recover from the disaster.
  • A terrible act of vandalism cost the homeowners thousands of dollars.
  • In a final act of desperation, they kicked out the windows to escape from the fire.
  • An Act of Congress becomes a law when it’s signed by the President. (an Act = a law in the United States)

The word "act" is also used for performers on a stage, in a theater, or in movies. This word can take on many different grammatical forms:

actor  He’s acting in a play.

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May 27, 2013