act out

verb

acted out; acting out; acts out

transitive verb

1

a

: to represent in action

children act out what they read

b

: to translate into action

unwilling to act out their beliefs

2

: to express (something, such as an impulse or a fantasy) directly in overt behavior without modification to comply with social norms

intransitive verb

: to behave badly or in a socially unacceptable often self-defeating manner especially as a means of venting painful emotions (such as fear or frustration)

Synonyms of act out

• misconduct
• disobey
• carry on
• run riot
• act up
• rebel
• raise Cain

Examples of act out in a Sentence

because his parents spent so much time with his chronically ill sister, the boy resorted to acting out in order to get attention

Recent Examples on the Web

But parents could make a lesson out of going on a trip to the bank, or with very young children, Tsuei recommends pretend play, such as acting out buying toys from a store. — Jillian Pretzel, Parents, 30 June 2026

Lawmakers must resist the temptation to act out of fear to block the growth of AI and its still largely unknown benefits. — Jessica Melugin, Sun Sentinel, 25 June 2026

But, again, is acting out of expediency and the desire to streamline a conclusive end the same as delivering a final season representing the best of The Bear? — Daniel Fienberg, HollywoodReporter, 25 June 2026

Eventually, the rewrite and actors workshop rehearsal combined — a two-week period in which Jones, McCormick, Wilde, Rogen, Cruz, and Norton acted out, improvised scenes, and, most importantly, talked about characters. — Chris O'Falt, IndieWire, 24 June 2026

Word History

First Known Use

circa 1616, in the meaning defined at transitive sense 1a

Rhymes for act out

• about
• bailout
• blackout
• blowout
• breakout
• burnout
• buyout
• checkout
• closeout
• cutout
• devout
• dropout

Kids Definition

act out

verb

1

: to represent in action

children act out what they read

2

: to behave badly especially as a way of letting out painful emotions

Medical Definition

act out

transitive verb

(ˈ)akt-ˈau̇t 

: to express (as an impulse or a fantasy) directly in overt behavior without modification to comply with social norms

act out an adolescent fantasy

intransitive verb

: to behave badly or in a socially unacceptable often self-defeating manner especially as a means of venting painful emotions (as fear or frustration)