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
Look out for medieval reenactments for which whole towns dress in costume, and religious processions where music is the soul of the streets.
—
Daniel Scheffler, Forbes.com, 28 Aug. 2025
Joker filmmaker Phillips did that in 2018 and 2022, posting photos of his lead stars in costume on his Instagram account.
—Carly Thomas, HollywoodReporter, 28 Aug. 2025
The actors were both in costume — McLaughlin with Harry's signature round glasses and Frost in Hagrid's usual garb with long hair and a beard.
—Carson Blackwelder, People.com, 25 Aug. 2025
Sitting in a dressing room with Michael McKean and Christopher Guest, already in costume as Spinal Tap’s front men.
—Nancy Walecki, The Atlantic, 7 Aug. 2025
See All Example Sentences for in costume
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Daniel Scheffler, Forbes.com, 28 Aug. 2025
Joker filmmaker Phillips did that in 2018 and 2022, posting photos of his lead stars in costume on his Instagram account.
—Carly Thomas, HollywoodReporter, 28 Aug. 2025
The actors were both in costume — McLaughlin with Harry's signature round glasses and Frost in Hagrid's usual garb with long hair and a beard.
—Carson Blackwelder, People.com, 25 Aug. 2025
Sitting in a dressing room with Michael McKean and Christopher Guest, already in costume as Spinal Tap’s front men.
—Nancy Walecki, The Atlantic, 7 Aug. 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 9 Sep. 2025.
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