conspiracy theorist

noun

plural conspiracy theorists
: a person who proposes or believes in a conspiracy theory
Distrust of the numbers is why one group of dissenters—government conspiracy theorists—grow during pandemics.Hank Campbell

Examples of conspiracy theorist in a Sentence

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In the absurdist black comedy, Stone stars as Michelle Fuller, the powerful CEO of pharmaceutical company Auxolith, who is kidnapped by Teddy (Jesse Plemons), a conspiracy theorist convinced that Michelle is really an Andromedan — an extraterrestrial sent to Earth to destroy it. Lauren Huff, Entertainment Weekly, 29 Oct. 2025 Jones is a conspiracy theorist who said the 2012 Sandy Hook Elementary School shooting was a hoax staged by crisis actors. Scott Wartman, Cincinnati Enquirer, 28 Oct. 2025 But the Khourys were different, self-consciously inclusive, inviting often inappropriate local guests—gun nuts, fellow pickleballers, smiling evangelicals, conspiracy theorists, and cabinetmakers—to their gatherings, despite the likely awkwardness. Literary Hub, 17 Oct. 2025 Austin Butler’s character, the psychotic conspiracy theorist, was hysterical. Tatiana Siegel, Variety, 9 Oct. 2025 See All Example Sentences for conspiracy theorist

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of conspiracy theorist was in 1961

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Cite this Entry

“Conspiracy theorist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conspiracy%20theorist. Accessed 2 Nov. 2025.

Last Updated: - Updated example sentences
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