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understudy

1 of 2

verb

un·​der·​study ˈən-dər-ˌstə-dē How to pronounce understudy (audio)
ˌən-dər-ˈstə-
understudied; understudying; understudies
Synonyms of understudynext

intransitive verb

: to study another actor's part in order to substitute in an emergency

transitive verb

: to prepare (a part or character) as understudy
also : to prepare as understudy to (an actor)

understudy

2 of 2

noun

un·​der·​study ˈən-dər-ˌstə-dē How to pronounce understudy (audio)
: one who is prepared to act another's part or take over another's duties

Examples of understudy in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
This umbrella review doesn't just find widespread flaws in existing research, but shows how understudied the topic of pregnancy and common over-the-counter drugs is. New Atlas, 9 Nov. 2025 McCaffrey breached 100 rushing yards for the first time since 2023 (24 carries, 129 yards, two touchdowns), and understudy Brian Robinson added a season-high 36 yards. Cam Inman, Mercury News, 20 Oct. 2025
Noun
Trudy's understudy, Henry, whom Hoover believes is an old pug mix, was also adopted and now lives in Atlanta. Kaycee Sloan, Cincinnati Enquirer, 25 Nov. 2025 Darnold was part of that 2023 squad too, even seeing a start as Brock Purdy's understudy. Robert Marvi, MSNBC Newsweek, 25 Nov. 2025 See All Example Sentences for understudy

Word History

First Known Use

Verb

1874, in the meaning defined at intransitive sense

Noun

1882, in the meaning defined above

Time Traveler
The first known use of understudy was in 1874

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Cite this Entry

“Understudy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/understudy. Accessed 4 Dec. 2025.

Kids Definition

understudy

verb
un·​der·​study
ˈən-dər-ˌstəd-ē
ˌən-dər-ˈstəd-ē
: to study another actor's part in order to be his or her substitute in an emergency
understudy noun

More from Merriam-Webster on understudy

Last Updated: - Updated example sentences
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