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

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Teddy is a conspiracy theorist who believes Michelle is an alien hellbent on destroying Earth. Jazz Tangcay, Variety, 2 Nov. 2025 Emma Stone plays Michelle Fuller, the powerful leader of pharmaceutical company Auxolith, who gets kidnapped by Teddy (Jesse Plemons), a conspiracy theorist convinced Michelle is really an Andromedan — an extraterrestrial sent to Earth to destroy it. Ew Staff, Entertainment Weekly, 31 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 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

Browse Nearby Words

Cite this Entry

“Conspiracy theorist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conspiracy%20theorist. Accessed 13 Nov. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!