plural truthers
: someone who believes that the truth about an important subject or event is being concealed from the public by a powerful conspiracy
He isn't a 9/11 truther, as some erroneously allege, but he has his fair share of "out there" beliefs.—Felix Biederman
But it is not flattering to be called a "truther." The term originated, as far as anyone can tell, to characterize people who embraced alternative explanations for the Sept. 11 attacks.—Mark Leibovich
… a so-called "truther," come to convince me that various gun massacres were staged by the federal government.—Fred Grimm
Cite this Entry
“Truther.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/truther. Accessed 10 Jul. 2026.
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