Definition of "acting" in English

adjective

1. Temporarily assuming the duties or authority of another person when they are unable to do their job.

   • The Acting Minister must sign Executive Council documents in a Minister's absence.
   • The CEO is currently in a hospital. The CFO is acting CEO in the meantime.

verb

1. present participle and gerund of act

noun

1. (countable, now rare) An action or deed.

2. (countable, law) Something done by a party—so called to avoid confusion with the legal senses of deed and action.

3. (uncountable) Pretending.

4. (uncountable, drama) The occupation of an actor.