deceitful

(s) intended to deceive
- deceitful advertising
- fallacious testimony
- smooth, shining, and deceitful as thin ice" - S.T.Coleridge
- a fraudulent scheme to escape paying taxes
fraudulent, fallacious,
(s) 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
double-dealing, double-tongued, duplicitous, two-faced, ambidextrous, double-faced, Janus-faced,

fraudulent fallacious double-dealing double-tongued duplicitous two-faced ambidextrous double-faced Janus-faced

deceitfully deceitfulness