acting

American  

[ak-ting] / ˈæk tɪŋ /

adjective

1. serving temporarily, especially as a substitute during another's absence; not permanent; temporary.

   the acting mayor.

   Synonyms:

   interim, provisional

2. designed, adapted, or suitable for stage performance.

3. provided with detailed stage directions for the performer.

   an acting version of a play.

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noun

1. the art, profession, or activity of those who perform in stage plays, motion pictures, etc.

acting British  

/ ˈæktɪŋ /

adjective

1. taking on duties temporarily, esp as a substitute for another

   the acting president

2. operating or functioning

   an acting order

3. intended for stage performance; provided with directions for actors

   an acting version of ``Hedda Gabler''

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noun

1. the art or profession of an actor

Other Word Forms

• proacting adjective
• unacting adjective

Etymology

Origin of acting

First recorded in 1595–1605; act + -ing ², -ing ¹

Example Sentences

Maguire, however, acknowledged in his evidence that acting as he did was inappropriate and he apologised for saying what he did.

From BBC • Apr. 15, 2026

Its goal was to limit state tort claims, like assault and trespass, against federal officials acting under federal authority.

From Slate • Apr. 15, 2026

She had once tried acting in New York, which means that she lived a wilder life once and is something of an improviser.

From Los Angeles Times • Apr. 15, 2026

AI developers and chipmakers are simultaneously acting as “customers, investors, and financiers,” creating a circular financing structure.

From Barron's • Apr. 14, 2026

Jeff, on the other hand, and Rich, were acting as if there was something else to know about Jessica.

From "Firegirl" by Tony Abbott