4. (noun)act, routine, number, turn, bit a shorttheatricalperformance that is part of a longerprogram "he did his act three times every evening"; "she had a catchy little routine"; "it was one of the best numbers he ever did"
6. (verb)act, move perform an action, or work out or perform (an action) "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"
7. (verb)act, behave, do behave in a certain manner; show a certain behavior; conduct or comport oneself "You should act like an adult"; "Don't behave like a fool"; "What makes her do this way?"; "The dog acts ferocious, but he is really afraid of people"
8. (verb)act, play, represent play a role or part "Gielgud played Hamlet"; "She wants to act Lady Macbeth, but she is too young for the role"; "She played the servant to her husband's master"
9. (verb)act discharge one's duties "She acts as the chair"; "In what capacity are you acting?"
10. (verb)act, play, act as pretend to have certain qualities or state of mind "He acted the idiot"; "She plays deaf when the news are bad"
12. (verb)work, act have an effect or outcome; often the one desired or expected "The voting process doesn't work as well as people thought"; "How does your idea work in practice?"; "This method doesn't work"; "The breaks of my new car act quickly"; "The medicine works only if you take it with a lot of water"
14. (verb)dissemble, pretend, act behave unnaturally or affectedly "She's just acting"
15. (verb)act, play, roleplay, playact perform on a stage or theater "She acts in this play"; "He acted in `Julius Caesar'"; "I played in `A Christmas Carol'"
4. act get in on the act to become involved in sth already started Now is your chance to get in on the act and help.
5. act get your act together to organize yourself more effectively It's time to get my act together and study.
6. (verb)act to perform in a play, film, etc. She's currently acting on Broadway.; to act the part of Harry Potter
7. act to behave in a particular way acting suspiciously; Act as if you already know.
8. act to takeaction to achieve The government must act now.
Definition of 'ACT'
Webster Dictionary
1. (noun)ACT that which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed
2. (noun)ACT the result of public deliberation; the decision or determination of a legislative body, council, court of justice, etc.; a decree, edit, law, judgment, resolve, award; as, an act of Parliament, or of Congress
3. (noun)ACT a formal solemn writing, expressing that something has been done
7. (noun)ACT process of doing; action. In act, in the very doing; on the point of (doing)
8. (verb)ACT to move to action; to actuate; to animate
9. (verb)ACT to perform; to execute; to do
10. (verb)ACT to perform, as an actor; to represent dramatically on the stage
11. (verb)ACT to assume the office or character of; to play; to personate; as, to act the hero
12. (verb)ACT to feign or counterfeit; to simulate
13. (verb)ACT to exert power; to produce an effect; as, the stomach acts upon food
14. (verb)ACT to perform actions; to fulfill functions; to put forth energy; to move, as opposed to remaining at rest; to carry into effect a determination of the will
15. (verb)ACT to behave or conduct, as in morals, private duties, or public offices; to bear or deport one's self; as, we know not why he has acted so
16. (verb)ACT to perform on the stage; to represent a character