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)

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Then Bostwick hits the road through November for screenings around the country with live shadow casts of performers acting out the movie in front of the screen. Brian Truitt, USA Today, 25 Sep. 2025 James acts out by angrily finishing the painting of a sign on the Guinness plant wall. Keith Phipps, Vulture, 25 Sep. 2025 Advocates say the footage undermines claims that agents acted out of fear for their lives, while federal officials insist an ongoing investigation will clarify what happened. Gabe Whisnant, MSNBC Newsweek, 23 Sep. 2025 The dysfunctional group dynamic is key to Hallett’s books, whether acted out by a community-theater troupe or the students in a master’s art program. Lisa Henricksson, Air Mail, 20 Sep. 2025 See All Example Sentences for act out

Word History

First Known Use

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

Time Traveler
The first known use of act out was circa 1616

Browse Nearby Words

Cite this Entry

“Act out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/act%20out. Accessed 30 Sep. 2025.

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
: 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)

More from Merriam-Webster on act out

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