truther

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truther

/ˈtɹuθɚ/ US
/ˈtɹuːθə/ UK

Where it comes from

From truth + -er (occupational suffix) or + -er (“supporter”). For sense 2, directly from name of the 9/11 Truth movement.

noun truthers · troofer

US, colloquial Someone who tells the truth. A liar can't begin to start the riots a truther can.
Similar: truthsayer, truthteller
US, colloquial Someone who believes that the US government was responsible for the 9/11 attacks. [signed] 9/11 Truther
broadly A conspiracy theorist who does not believe the accepted story about some significant event, fact, etc. For instance, "truthers" who believe in a US government conspiracy to destroy the pentagon
humorous, slang An advocate, especially for a headcanon.

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Cite this

MLA

"truther." Wiktionary, via Micwyn, micwyn.com/word/truther. Accessed 6 Nov. 2026.

APA

truther. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/truther

Chicago

"truther." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/truther.

BibTeX

@misc{truther_2026,
  title = {truther},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/truther},
  urldate = {2026-11-06}
}