Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “act”

See all translations

act

verb [I]
 
 
/ækt/
to do something with the intention of achieving a particular result: act to do sth Engineers will need to act quickly to repair the damaged pipes.act quickly/swiftly/now Anyone who wants a fixed-rate deal should act now.act decisively/improperly/responsibly It is now time for management to act decisively.act against/in sb's interests There were claims that the management was acting against shareholders' interests. Members should act in the best interests of the company.
act in good faith to do something believing that it is the right thing to do: Although errors of judgement were made, at all times the company's staff acted in good faith.
(Definition of act verb from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of act?
Add Cambridge dictionaries to your browser to your website

Definitions of “act” in other dictionaries

Word of the Day

be as cold as ice

to be extremely cold

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More