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

General Christopher LaNeve is set to become acting Chief of Staff of the US Army, according to CBS News, the BBC's US partner.

From BBC • Apr. 3, 2026

Bondi told the Orlando Sentinel in September 2013 that she was thinking about acting on complaints filed by Florida residents.

From Salon • Apr. 3, 2026

In a post-coup period of emergency rule, Min Aung Hlaing served as both commander-in-chief of the armed forces and acting president, but to become permanent president he is constitutionally compelled to relinquish his military post.

From Barron's • Apr. 3, 2026

Gen. Todd Blanche, Trump’s former personal criminal defense attorney, will serve as acting attorney general until a permanent replacement is named.

From Los Angeles Times • Apr. 2, 2026

“On occasion I have seen Lord Fredrick acting in a most peculiar way at the full moon,” she said warily.

From "The Unseen Guest" by Maryrose Wood