Definition of "truther" [truther]

• Person believing that the U.S. government perpetrated or allowed the 9/11 terrorist attacks. (noun)

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• "Anyone who uses the word "truther" is saying much more about himself than those who disagree with all or part of the official 9/11 story."
• "Yup, he's a 'truther' -- someone who believes the US government carried out the attacks."
• ""C.llapse," about peak oil expert - and Sept. 11 "truther" - Michael C. Ruppert is available on Time Warner Movies on Demand starting Sunday, according to the film's Twitter account."