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

The death of her conspiracy theorist father (Tahmoh Penikett) in a freak construction accident forces Carrie and her mother, Margaret (Samantha Sloyan), into the real world after years of hardly ever leaving the house. — ArsTechnica, 21 Oct. 2026

Like Avril Lavigne and Jim Carrey, Selena Gomez has received her fair share of celebrity-clone-replacement allegations from online conspiracy theorists. — Isabella Albaig, Vulture, 19 Oct. 2026

In fall 2025, Missouri election officials produced a memo stating Andrew McCoy Warner, a Department of Justice official and prominent 2020 election conspiracy theorist, had called several clerks asking for access to voting machines. — Andy Mannix, ProPublica, 19 Oct. 2026

Why were the conspiracy theorists about Courtney Love so inclined to believe the absolute worst about her? — Andrew Unterberger, Billboard, 15 Oct. 2026

Word History

First Known Use

1961, in the meaning defined above