Meaning of “act” - Learner’s Dictionary


noun uk us /ækt/
DO [ C ]

B2 something that someone does:

LAW [ C ]

a law made by a government:

an act of Congress/Parliament

B1 one of the parts a play is divided into:

Her character doesn't appear until Act 2.

one or several performers who perform for a short while in a show:

a comedy double act
FALSE BEHAVIOUR [ no plural ]

behaviour that hides your real feelings or intentions:

Was she really upset or was that just an act?
in the act (of doing sth)

doing something wrong:

I caught him in the act of opening one of my letters.

(Definition of “act noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)