theorist

noun

the·​o·​rist ˈthē-ə-rist How to pronounce theorist (audio)
ˈthir-ist
Synonyms of theoristnext
: a person who theorizes

Examples of theorist in a Sentence

Recent Examples on the Web
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For over 30 years, complexity theorists have used this theoretical framework to identify problems where quantum computers surpass classical ones. Ben Brubaker, Quanta Magazine, 17 Feb. 2026 George is currently extant in a horrific form; the trademark having been bought by a conspiracy-theorist lawyer some years ago. Doreen St. Félix, New Yorker, 14 Feb. 2026 Human beings—predictors of eclipses, theorists of cosmic heat death—may no longer be the best guides to the future. Ross Andersen, The Atlantic, 11 Feb. 2026 Political theorists like James Tulley distinguish between civil views of citizenship, focused on what government does, and civic views of citizenship, including deliberation and public work that citizens do together. Harry Boyte, Twin Cities, 8 Feb. 2026 See All Example Sentences for theorist

Word History

First Known Use

1588, in the meaning defined above

Time Traveler
The first known use of theorist was in 1588

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Cite this Entry

“Theorist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorist. Accessed 20 Feb. 2026.

Kids Definition

theorist

noun
the·​o·​rist ˈthē-ə-rəst How to pronounce theorist (audio)
ˈthi(-ə)r-əst
: a person who theorizes

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