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
David Corenswet, 'Superman' actor, spotted in costume in Cleveland
David Corenswet, the actor cast to portray the Man of Steel, was spotted in costume while filming in Cleveland in June last year.
—
Grace Tucker, The Enquirer, 9 July 2025
In the end, there was no raid and no aliens — just a few thousand attendees, many in costume, celebrating a viral moment in internet history.
—Lizzie Hyman, People.com, 2 July 2025
His co-star, Hannah Stocking (who has 75 million social media followers), is already in costume—rocking a massive chin with a bulldog underbite to match Waheed’s cartoonish woodpecker profile.
—Steven Bertoni, Forbes.com, 16 June 2025
Adults and kids can dress up in costume for the event — but there are a few rules.
—Brady MacDonald, Oc Register, 11 June 2025
See All Example Sentences for in costume
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Grace Tucker, The Enquirer, 9 July 2025
In the end, there was no raid and no aliens — just a few thousand attendees, many in costume, celebrating a viral moment in internet history.
—Lizzie Hyman, People.com, 2 July 2025
His co-star, Hannah Stocking (who has 75 million social media followers), is already in costume—rocking a massive chin with a bulldog underbite to match Waheed’s cartoonish woodpecker profile.
—Steven Bertoni, Forbes.com, 16 June 2025
Adults and kids can dress up in costume for the event — but there are a few rules.
—Brady MacDonald, Oc Register, 11 June 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 Jul. 2025.
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