act

/ækt/ noun

Definition

DO [C] › something that someone does: an act of terrorism/kindness

LAW [C] › a law made by a government: an act of Congress/Parliament

THEATRE [C] › one of the parts a play is divided into: Her character doesn't appear until Act 2.

PERFORMERS [C] › one or several performers who perform for a short while in a show: a comedy double act

FALSE BEHAVIOUR [no plural] › behaviour which 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)

everything that exists or is possible

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