conspiracy theorist

American  

[kuhn-speer-uh-see theer-ist] / kənˈspɪər ə si ˌθɪər ɪst /

noun

1. someone who believes in or promotes a conspiracy theory.

---

Example Sentences

Martin sent a letter to a lawyer for a Federal Bureau of Investigation agent who was among the first on the scene at the 2012 Sandy Hook Elementary School shooting in Newtown, Conn., questioning his role in a defamation lawsuit against conspiracy theorist Alex Jones.

From The Wall Street Journal

She is likely to be joined by Emma Stone playing an alien -- or is she? -- in conspiracy theorist drama "Bugonia," and Norwegian actress Renate Reinsve in arthouse darling "Sentimental Value."

From Barron's

"I'm not a conspiracy theorist type person, at all, but I honestly think it's financially motivated," said Jillian Lucas, one of the patients.

From BBC

"This is just going to feed the fire if you are a conspiracy theorist," he said.

From BBC

But there’s a problem: Kennedy is a conspiracy theorist with seemingly little understanding of how modern science works.

From Slate