Untruism
Pronunciation : Un*tru"ism
Part of Speech : n.
Definition : Defn: Something not true; a false statement. [Recent & R.] A. Trollope.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder