- (countable) Something done, a deed.
- an act of goodwill
- That best portion of a good man's life, / His little, nameless, unremembered acts / Of kindness and of love.
- (obsolete, uncountable) Actuality.
- The seeds of plants are not at first in act, but in possibility, what they afterward grow to be.
- (theology) Something done once and for all, as distinguished from a work.
- (countable) A product of a legislative body, a statute.
- The process of doing something.
- He was caught in the act of stealing.
- (countable) A formal or official record of something done.
- (countable, drama) A division of a theatrical performance.
- The pivotal moment in the play was in the first scene of the second act.
- (countable) A performer or performers in a show.
- Which act did you prefer? The soloist or the band?
- (countable) Any organized activity.
- (countable) A display of behaviour.
- A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.
- (countable) A display of behaviour meant to deceive.
- to put on an act
- (something done) deed; see also Thesaurus:action
- (product of a legislative body) statute
- (display of behavior) pretense
- French: acte, action
- German: Akt, Handlung
- Italian: atto
- Portuguese: ato, ação
- Russian: де́йствие
- Spanish: acto, acción
act (acts, present participle acting; past and past participle acted)
- (intransitive) To do something.
- If you don't act soon, you will be in trouble.
- (obsolete, transitive) To do (something); to perform.
- that we act our temporal affairs with a desire no greater than our necessity
- Industry doth beget by producing good habits, and facility of acting things expedient for us to do.
- Uplifted hands that at convenient times / Could act extortion and the worst of crimes.
- (intransitive) To perform a theatrical role.
- I started acting at the age of eleven in my local theatre.
- (intransitive) Of a play: to be acted out (well or badly).
- (intransitive) To behave in a certain way.
- He's acting strangely - I think there's something wrong with him.
- (copulative) To convey an appearance of being.
- He acted unconcerned so the others wouldn't worry.
- (intransitive) To do something that causes a change binding on the doer.
- act on behalf of John
- (intransitive, construed with on or upon) To have an effect (on).
- High-pressure oxygen acts on the central nervous system and may cause convulsions or death.
- Gravitational force acts on heavy bodies.
- (transitive) To play (a role).
- He's been acting Shakespearean leads since he was twelve.
- (transitive) To feign.
- He acted the angry parent, but was secretly amused.
- With acted fear the villain thus pursued.
- (mathematics, intransitive, construed with on or upon, of a group) To map via a homomorphism to a group of automorphisms (of).
- This group acts on the circle, so it can't be left-orderable!
- (obsolete, transitive) To move to action; to actuate; to animate.
- 1733, [Alexander Pope], An Essay on Man. […], (
please specify ), London: Printed for J[ohn] Wilford, […], OCLC 960856019 ↗:
- French: agir, faire
- German: handeln, tun, machen
- Italian: agire
- Portuguese: agir
- Russian: де́йствовать
- Spanish: actuar
- French: se comporter
- German: spielen, benehmen, fungieren
- Italian: fare, comportarsi
- Portuguese: comportar-se
- Russian: вести
- Spanish: comportar
- German: agieren
- Russian: де́йствовать
- Initialism of Australian Capital Territory, a federal territory of Australia.
- Coordinate terms: NSW#English|NSW, NT#English|NT, QLD, SA#English|SA, TAS#English|TAS, VIC#English|VIC, WA#English|WA
- Initialism of w:American College Test
act (plural acts)
- An instance of a certain standardized college admissions test in the United States, originally called the American College Test.