Fallacious
Pronunciation : Fal*la"cious
Part of Speech : a.
Etymology : [L. fallaciosus, fr. fallacia: cf. F. fallacieux. See Fallacy.]
Definition : Defn: Embodying or pertaining to a fallacy; illogical; fitted to deceive; misleading; delusive; as, fallacious arguments or reasoning. -- Fal*la"cious*ly, adv. -Fal*la"cious*ness, n.
Source : Webster's Unabridged Dictionary, 1913