De·ceit·ful a. Full of, or characterized by, deceit; serving to mislead or insnare; trickish; fraudulent; cheating; insincere.
Harboring foul deceitful thoughts. --Shak.
adj 1: intended to deceive; "deceitful advertising"; "fallacious
testimony"; "smooth, shining, and deceitful as thin
ice" - S.T.Coleridge; "a fraudulent scheme to escape
paying taxes" [syn: fallacious, fraudulent]
2: marked by deliberate deceptiveness especially by pretending
one set of feelings and acting under the influence of
another; "she was a deceitful scheming little thing"-
Israel Zangwill; "a double-dealing double agent"; "a
double-faced infernal traitor and schemer"- W.M.Thackeray
[syn: ambidextrous, double-dealing, duplicitous, Janus-faced,
two-faced, double-faced, double-tongued]