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Definitions

theorist

[thee-er-ist, theer-] / ˈθi ər ɪst, ˈθɪər- /
NOUN
philosopher
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It’s the classic mindset of the conspiracy theorist: The absence of proof of the conspiracy is simply proof of how deep the conspiracy goes!

From MarketWatch • Apr. 3, 2026

Among the names read out was Prof Peter Higgs, the British theorist who, nearly half a century earlier, had predicted the existence of a particle believed to hold the cosmos together – the Higgs boson.

From BBC • Mar. 17, 2026

Henry Giroux, social theorist and author of “Assassins of Memory,” a book that examines the politics of erasure, was not surprised.

From Salon • Mar. 2, 2026

"It's quite easy to make a version of that story where he's a sort of toxic incel male conspiracy theorist nut who you don't really sympathize with," he told AFP.

From Barron's • Mar. 1, 2026

From his own experiences in Vietnam and his reading of the German military theorist Carl von Clausewitz, Van Riper became convinced that war was inherently unpredictable and messy and nonlinear.

From "Blink" by Malcolm Gladwell




Vocabulary lists containing theorist