#1
fallacious s. [
unsound] containing or based on a fallacy; "fallacious reasoning"; "an unsound argument"
. wn #2
fallacious s. [
deceitful, fraudulent] intended to deceive; "deceitful advertising"; "fallacious testimony"; "smooth, shining, and deceitful as thin ice" - S.T.Coleridge; "a fraudulent scheme to escape paying taxes"
. wn #3
fallacious s. based on an incorrect or misleading notion or information; "fallacious hope"
. wn