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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

Once again, the theorist is Busner, now 93, and this time he has the apparent failings of neoliberalism in his sights.

From The Wall Street Journal • Mar. 20, 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

But there have been no successful leads, despite authorities offering the largest-ever reward money in the region for tips about the well-known conspiracy theorist.

From BBC • Feb. 25, 2026

Their approaches to physics were divergent: Lawrence was an experimentalist nonpareil, Teller a profoundly intuitive theorist.

From "Big Science" by Michael Hiltzik