Dictionary entry

Fallacious

Webster's Dictionary 1913

Fal‐la″cious (?), a. [L. fallaciosus, fr. fallacia: cf. F. fallacieux. See Fallacy.] 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.