theorist

noun

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

Examples of theorist in a Sentence

Recent Examples on the Web
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There’s Xi Jinping mogging Bibi Netanyahu while deafeningly aggro phonk bludgeons away; hype montages paint Marx as history’s greatest theorist and pair Zohran Mamdani quotes with Playboi Carti Die Lit cuts. Kieran Press-Reynolds, Pitchfork, 24 Oct. 2025 Quantum theorists and experimenters are working within these constraints to find feasible tasks for their devices to show an advantage over the performance of classical computers. Dan Garisto, Scientific American, 22 Oct. 2025 And, while large-scale armies were attacking one another with a vast arsenal of technological advancements, De Stijl architects and theorists were observing great opportunities for a better world based on this massive scale and these new technologies. JSTOR Daily, 15 Oct. 2025 Contrary to early theorists, sensory immersion wasn’t critical to the success of mixed-reality computing, but the sense of control was. Big Think, 14 Oct. 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

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Cite this Entry

“Theorist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/theorist. Accessed 26 Oct. 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

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