Used other than figuratively or idiomatically: see act, out. / (idiomatic) To perform a scene from a play, a charade or an exercise. / (idiomatic) To perform a fantasy in reality.

Any act involving sexual stimulation; a sex act.

Any act involving sexual stimulation.

(slang) Suicide.

A law which has received assent (royal, presidential or gubernatorial) after having been passed by the houses (or house) of a parliament.

An excellent performance. / Someone or something whose performance is excellent. / (sometimes sarcastically) Someone or something who is generally well-mannered, conscientious, etc.

(law) An unforeseen occurrence beyond one's control, such as a natural disaster. / Used other than figuratively or idiomatically: see act, of, God.

(pharmacology) Having a pharmaceutical effect principally in the short term.

(linguistics) An act carried out by speech, such as promising, ordering, greeting, warning, inviting and congratulating.

To behave timidly, reluctantly, or afraid, especially when confronted with something new or unfamiliar