✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

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
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.
The discovery is part of the Dutch national QuMat program, which focuses on designing next-generation quantum materials through tight collaboration between experimentalists and theorists. Neetika Walter, Interesting Engineering, 28 Nov. 2025 Some theorists openly celebrate unchecked executive power or regimes that derive legitimacy from hierarchy rather than the people’s consent. Veronique De Rugy, Oc Register, 26 Nov. 2025 Their favorite philosophers are not Locke and Mill but Plato, Aquinas, or even Carl Schmitt, the Nazi theorist of authoritarianism. George Packer, The Atlantic, 24 Nov. 2025 One evening, the couple met an acquaintance of Lotringer’s, the cultural theorist Dick Hebdige, for sushi in Pasadena. Victor J. Blue, Harpers Magazine, 23 Nov. 2025 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

Browse Nearby Words

Cite this Entry

“Theorist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorist. Accessed 5 Dec. 2025.

Kids Definition

theorist

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

More from Merriam-Webster on theorist

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!