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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.

One of the earliest readings I encountered was by the theorist David Halperin, who defined “queer” as “whatever is at odds with the normal, the legitimate, the dominant.”

From The Wall Street Journal • Apr. 2, 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

"I'm not a conspiracy theorist type person, at all, but I honestly think it's financially motivated," said Jillian Lucas, one of the patients.

From BBC • Jan. 10, 2026

He was a theorist, and this was a job that called for experimenters and engineers.

From "Outliers" by Malcolm Gladwell