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act verb [ akt ]

• take action; do something.
• "they urged Washington to act"
Similar: take action, take steps, take measures, take the initiative, move, make a move, react, do something, proceed, go ahead, make progress, make headway, be active, be employed, be busy, get moving,
Opposite: do nothing,
• behave in the way specified.
• "they challenged a man who was seen acting suspiciously"
Similar: behave, function, react, perform, conduct oneself, acquit oneself, bear oneself, comport oneself, deport oneself,
• take effect; have a particular effect.
• "blood samples are analysed to find out how the drug acts in the body"
Similar: affect, have an effect on, influence, exert influence on, work on, have an impact on, impact on, alter, change, modify, transform, condition, control,
Opposite: have no effect on,
• perform a role in a play, film, or television.
• "she acted in her first professional role at the age of six"
Similar: perform, play, play a part, take part, be an actor, be an actress, be one of the cast, appear, tread the boards,

act noun

• a thing done; a deed.
• "a criminal act"
Similar: deed, action, gesture, feat, exploit, move, performance, undertaking, manoeuvre, stunt, operation, venture, effort, enterprise, achievement, accomplishment,
• a pretence.
• "she was putting on an act and laughing a lot"
Similar: pretence, false display, show, front, facade, masquerade, charade, guise, posture, pose, affectation, appearance, sham, fake, bluff, hoax, make-believe, play-acting, feigning, shamming, posturing, posing, counterfeit, subterfuge, dissimulation, dissemblance, fabrication, falsification, a put-on, a put-up job,
• a written law passed by Parliament, Congress, etc.
• "the 1989 Children Act"
Similar: law, decree, statute, bill, Act of Parliament, edict, fiat, dictum, dictate, enactment, resolution, ruling, rule, judgement, canon, ordinance, proclamation, command, commandment, mandate, measure, stipulation, direction, requirement, legislation, ukase, pronunciamento,
• a main division of a play, ballet, or opera.
• "the first act"
Similar: division, section, subsection, portion, part, segment, component, bit, passage, episode, chapter,
Origin: late Middle English: from Latin actus ‘event, thing done’, act- ‘done’, from the verb agere, reinforced by the French noun acte .

ACT abbreviation

• advance corporation tax.
• Australian Capital Territory.

act of God

• an instance of uncontrollable natural forces in operation.
"the flooding was surely an act of God"

act of grace

• a privilege or concession that cannot be claimed as a right.
"the bonus remains a payment made as an act of grace"

catch someone in the act

• surprise someone in the process of doing something wrong.
"the thieves were caught in the act"

get one's act together

• galvanize oneself into organizing one's affairs effectively.

get in on the act

• become or be involved in a particular activity, in order to gain profit or advantage.
"many German breeders want to get in on the act"

a hard act to follow

• an achievement or performance that sets a standard regarded as being hard for others to measure up to.
"it was not easy being the second President of the United States; George Washington was a hard act to follow"

in the act of

• in the process of.
"they photographed him in the act of reading other people's mail"

act as

• fulfil the function or serve the purpose of.
"they need volunteers to act as foster parents"

act for

• represent someone on a contractual, legal, or paid basis.
"he chose a solicitor to act for him"

act from

• be motivated by.
"you acted from greed"

act on

• take action according to or in the light of.
"I shall certainly act on his suggestion"

act out

• perform a narrative as if it were a play; translate something into action.
"students were encouraged to act out the stories"

act up

• behave badly.
"all children talk back and act up from time to time"



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