act on synonym, act on definition | Thesaurus

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act on

, act upon  
1    act in accordance with, carry out, comply with, conform to, follow, heed, obey, yield to  
2    affect, alter, change, impact, influence, modify, sway, transform  
English Collins Dictionary - English synonyms & Thesaurus  


  ( acts    plural & 3rd person present)   ( acting    present participle)   ( acted    past tense & past participle  )
1       verb   When you act, you do something for a particular purpose.  
The deaths occurred when police acted to stop widespread looting and vandalism...      V  
I do not doubt that the bank acted properly.      V adv/prep  
2       verb   If you act on advice or information, you do what has been advised or suggested.  
A patient will usually listen to the doctor's advice and act on it.      V on/upon n  
3       verb   If someone acts in a particular way, they behave in that way.   (=behave)  
...a gang of youths who were acting suspiciously...      V adv  
He acted as if he hadn't heard any of it...      V as if  
Open wounds act like a magnet to flies.      V like n  
4       verb   If someone or something acts as a particular thing, they have that role or function.  
He acted both as the ship's surgeon and as chaplain for the men.      V as/like n  
5       verb   If someone acts in a particular way, they pretend to be something that they are not.  
Chris acted astonished as he examined the note...      V adj  
Kenworthy had tried not to act the policeman.      V n  
6       verb   When professionals such as lawyers act for you, or act on your behalf, they are employed by you to deal with a particular matter.  
...the law firm that acted for Diana during her marriage split...      V for n  
Because we travelled so much, Sam and I asked a broker to act on our behalf.      V prep  
7       verb   If a force or substance acts on someone or something, it has a certain effect on them.  
He's taking a dangerous drug: it acts very fast on the central nervous system...      V on/upon n  
8       verb   If you act, or act a part in a play or film, you have a part in it.  
She confessed to her parents her desire to act...      V  
She acted in her first film when she was 13 years old.      V in n  
9       n-count   An act is a single thing that someone does.  
FORMAL   oft N of n  
Language interpretation is the whole point of the act of reading...     
10       n-sing   If you say that someone's behaviour is an act, you mean that it does not express their real feelings.   (=pretence)  
His anger was real. It wasn't an act.     
11       n-count   An Act is a law passed by the government. Act of Parliament.     
12       n-count   An act in a play, opera, or ballet is one of the main parts into which it is divided.  
oft N num  
Act II contained one of the funniest scenes I have ever witnessed...     
13       n-count   An act in a show is a short performance which is one of several in the show.  
This year numerous bands are playing, as well as comedy acts...     
14    If you catch someone in the act, you discover them doing something wrong or committing a crime.  
catch sb in the act      phrase   V inflects  
The men were caught in the act of digging up buried explosives.     
15    If someone who has been behaving badly cleans up their act, they start to behave in a more acceptable or responsible way.  
clean up one's act      phrase   V inflects  
The nation's advertisers need to clean up their act.     
16    If you get in on the act, you take part in or take advantage of something that was started by someone else.  
get in on the act      phrase   V inflects  
In the 1970s Kodak, anxious to get in on the act, launched its own instant camera.     
17    You say that someone was in the act of doing something to indicate what they were doing when they were seen or interrupted.  
in the act of      phrase   v-link PHR -ing  
Ken was in the act of paying his bill when Neil came up behind him.     
18    If you get your act together, you organize your life or your affairs so that you are able to achieve what you want or to deal with something effectively.  
get one's act together      phrase   V inflects  
The Government should get its act together...     
    to act one's age  
    to act the fool  
    fool   act out      phrasal verb   If you act out an event which has happened, you copy the actions which took place and make them into a play.  
I used to come home and act out the movie for the kids.      V P n (not pron), Also V n P   act up  
1       phrasal verb   If something is acting up, it is not working properly.  
INFORMAL   usu cont   (=play up)  
She was messing with the coffee pot, which was acting up again.      V P  
2       phrasal verb   If a child is acting up, they are behaving badly.  
INFORMAL   usu cont   (=play up)  

act of God        ( acts of God    plural  ) An act of God is an event that is beyond human control, especially one in which something is damaged or someone is hurt.      n-count  
balancing act        ( balancing acts    plural  ) If you perform a balancing act, you try to deal successfully with two or more people, groups, or situations that are in opposition to each other.      n-count   usu sing   (=juggling act)  
...a delicate balancing act between a career, a home, and motherhood.     
double act        ( double acts    plural  ) , double-act   Two comedians or entertainers who perform together are referred to as a double act. Their performance can also be called a double act.      n-count  
...a famous comedy double act...     
juggling act        ( juggling acts    plural  ) If you say that a situation is a juggling act, you mean that someone is trying to do two or more things at once, and that they are finding it difficult to do those things properly.      n-count  
Trying to continue with a demanding career and manage a child or two is an impossible juggling act.     
play-act        ( play-acts    3rd person present)   ( play-acting    present participle)   ( play-acted    past tense & past participle  ) If someone is play-acting, they are pretending to have attitudes or feelings that they do not really have.      verb   usu cont  
The `victim' revealed he was only play acting.      V  
Trade Descriptions Act      , Trades Descriptions Act  
In Britain, theTrade Descriptions Act or theTrades Descriptions Act is a law designed to prevent companies from presenting their goods or services in a dishonest or misleading way.      n-sing   the N  
Last year it was convicted and fined under the Trades Descriptions Act for placing For Sale boards on empty homes in the area.     

Translation English Cobuild Collins Dictionary  

See also:

act, act for, act up, act upon

Collaborative Dictionary     English Thesaurus
Foreign Intelligence Surveillance Act
Cybertort is a willful act done by a person on internet that may cause legal injuries to virtual identity or virtual property of a person in cyberspace
[Leg.];[Tech.] cyber defamation is Cybertort
a portmanteau of 'employer' and 'voyeurism'. signifies the act of searching for an employer or the practice of an employer when looking to fill positions. The term places an emphasis on the secretive connotation of the word 'voyeur', denoting a clandestine and thus superior form of employment search
[Tech.] Ex.: Employerism is what one must engage in, if one wishes to embark upon a more productive job hunt!
the act of transferring virtual content or value on the Internet to a specific destination
The act or offence of grubbing up trees and bushes, and thus destroying forest land. Or, the land thus destroyed.
[Leg.] English noun and verb
Someone's ability to look and act like whoever is around him or her.
The fictional character of human chameleon Leonard Zelig (in the film "Zelig", 1983), who becomes a celebrity in the 1920s due to his ability to look and act like whoever is around him.
not to be able to act like a man, be a pussy
1. the operation or work of cutting grass and curing it for hay 2. the act of taking full advantage of an easy opportunity
the act of pushing one's face in between two ample breasts, and rocking one's head side to side very rapidly while making a vigorous, lip-vibrating "brrr" sound
blend of "slacker" and "activism". Act of participating to pointless activities as a type of activism.
Signing on-line petitions or wearing bracelets against war are forms of slacktivism
expression used to describe an attempt to organize a difficult or unpredictable situation; trying to coordinate a group of people who tend to act chaotically
[Bus.] E.g: Some say that managing a team is herding cats.
act in accordance with what is set verbally; apply what one's preaching for; double words by action;
often used in combination with "talk the talk".
find a a partner for someone and act as an intermediary for the two persons to meet
act of covering an object, such as a tree, house, or another structure with toilet paper
Syn.: TP'ing
face a specific situation; act in a certain way
E.g.: John went out of rehab a few days ago and he is determined to not go down that road again.
the act of using someone else's identifying information with the intent to defraud others online
[Leg.];[Tech.] criminal act to steal a personal information online
use the authority given by a position (in society, in a company etc.) to determine someone to act in a certain manner
E.g: He is not eager to attend the event, but he has to be there because his boss pulled rank on him.
the act of changing the ownership of a virtual property from one person to another
do something which puts you in a very difficult situation and limits the way that you can act
act or habit of describing something as having little or no value
{rare] Ex.: My teen is in that phase right now where everything and everyone is lame and sucks; this floccinaucinihilipilification is really a pain in the neck!
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