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
They were dressed in costume to celebrate Mickey Mouse’s 60th birthday in November 1988.
—
Graham Womack
updated January 15, Sacbee.com, 16 Jan. 2026
Though the film about the superhero didn’t survive, photos of Cage in costume as the superhero did.
—Virginia Chamlee, PEOPLE, 15 Jan. 2026
In the suit, Western Costume points to an invoice from 2024 for more than $134,000 in costume rentals.
—Emily Zemler, Rolling Stone, 23 Dec. 2025
Businesses decorate their windows, families dress in costume, and the whole district feels like a living holiday card.
—Jessica Safavimehr, Southern Living, 22 Dec. 2025
See All Example Sentences for in costume
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Graham Womack
updated January 15, Sacbee.com, 16 Jan. 2026
Though the film about the superhero didn’t survive, photos of Cage in costume as the superhero did.
—Virginia Chamlee, PEOPLE, 15 Jan. 2026
In the suit, Western Costume points to an invoice from 2024 for more than $134,000 in costume rentals.
—Emily Zemler, Rolling Stone, 23 Dec. 2025
Businesses decorate their windows, families dress in costume, and the whole district feels like a living holiday card.
—Jessica Safavimehr, Southern Living, 22 Dec. 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 28 Jan. 2026.
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