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
One day, Howard also donned the makeup as a show of solidarity to Carrey, directing in costume for a whole day.
—
Natalie Oganesyan, Deadline, 13 Dec. 2025
The town of Florence now boasts an outdoor space called Exploding Whale Memorial Park; last year, after a weeklong celebration leading up to Exploding Whale Day, people gathered there in costume.
—Joshua Rothman, New Yorker, 5 Dec. 2025
No release date has been announced for Tulsa King season 4, though Stallone shared a brief clip on Instagram in mid-November of himself in costume on set at the Montague distillery.
—Randall Colburn, Entertainment Weekly, 23 Nov. 2025
On Halloween, any visitor in costume starting at 3pm got a $6 entree.
—Krysta Escobar, CNBC, 22 Nov. 2025
See All Example Sentences for in costume
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Natalie Oganesyan, Deadline, 13 Dec. 2025
The town of Florence now boasts an outdoor space called Exploding Whale Memorial Park; last year, after a weeklong celebration leading up to Exploding Whale Day, people gathered there in costume.
—Joshua Rothman, New Yorker, 5 Dec. 2025
No release date has been announced for Tulsa King season 4, though Stallone shared a brief clip on Instagram in mid-November of himself in costume on set at the Montague distillery.
—Randall Colburn, Entertainment Weekly, 23 Nov. 2025
On Halloween, any visitor in costume starting at 3pm got a $6 entree.
—Krysta Escobar, CNBC, 22 Nov. 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 20 Dec. 2025.
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