in costume
idiom
: wearing a costume
If all the actors are in costume, we're ready to begin.
The waiters were all in ancient Roman costume.
Examples of in costume in a Sentence
Recent Examples on the Web
This year, Rewards members who dress up in costume can get a $6 entrée deal (entreés typically cost $11 to $15).
—
Gabe Hauari, USA Today, 29 Oct. 2025
Bell uploaded pics of themselves in costume on Instagram.
—Skyler Caruso, PEOPLE, 24 Oct. 2025
Cellphone video captured the moment Michael Curll, 36, ran up behind the man in costume, identified as Jonathan Silveira, and allegedly kicked and tackled him from behind.
—Jasmine Baehr, FOXNews.com, 23 Oct. 2025
Fans attended in costume, participating in callbacks and a shadow cast performance by Little Morals.
—Audrey Gibbs, Nashville Tennessean, 23 Oct. 2025
See All Example Sentences for in costume
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Gabe Hauari, USA Today, 29 Oct. 2025
Bell uploaded pics of themselves in costume on Instagram.
—Skyler Caruso, PEOPLE, 24 Oct. 2025
Cellphone video captured the moment Michael Curll, 36, ran up behind the man in costume, identified as Jonathan Silveira, and allegedly kicked and tackled him from behind.
—Jasmine Baehr, FOXNews.com, 23 Oct. 2025
Fans attended in costume, participating in callbacks and a shadow cast performance by Little Morals.
—Audrey Gibbs, Nashville Tennessean, 23 Oct. 2025
See All Example Sentences for in costume
Cite this Entry
“In costume.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20costume. Accessed 31 Oct. 2025.
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