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
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Topline World Health Organization Director Tedros Adhanom Ghebreyesus on Friday directly responded to far-right commentator and conspiracy theorist Alex Jones’ claims that the United Nations agency was manufacturing propaganda about the Hantavirus. Antonio Pequeño Iv, Forbes.com, 15 May 2026 Trump’s administration is filled with election skeptics; federal investigations into 2020 are under way; and conspiracy theorists who were once marginalized now run some local election offices. Shane Harris, The Atlantic, 14 May 2026 The conspiracy theorists, YouTubers, and tin-foil hatters have long kept the UFO conversation alive, pushing claims of hidden sightings, secret programs, and government cover-ups into mainstream culture. Aamir Khollam, Interesting Engineering, 8 May 2026 His work, and the fraud allegations against him, have long lingered in the lexicon of conspiracy theorists seeking to question the safety of vaccines. Sasha Pezenik, ABC News, 8 May 2026 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 21 May. 2026.

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