uncountable the process of doing something, especially in order to stop a bad situation from developing or continuing
Officials are not planning any drastic action.
take action (=begin to do something to solve a particular problem):
We urge the authorities to take action.
course of action (=something that you do in order to achieve a particular purpose):
We have three possiblecourses of action.
Synonyms and related words
The process of performing an action
action
execution
discharge
1a
countable/uncountable the process of stopping work or working less effectively in order to protest about your pay, working conditions etc. This kind of action is also called industrial action
The strikersvoted to suspend their action.
Synonyms and related words
Strikes and other union activity
action
blackleg
break a strike
1b
countable/uncountable the process of bringing a case to a court of law. This kind of action is also called legal action
bring an action (against someone) (=start a legal process against someone):
The magazine will fight the libel action brought by the PrimeMinister.