deceitful
1. [ adjective ] intended to deceive
Synonyms: fraudulent fallacious
Examples:

"deceitful advertising" "fallacious testimony" "smooth, shining, and deceitful as thin ice" - S.T.Coleridge "a fraudulent scheme to escape paying taxes"

Related terms: dishonest
2. [ adjective ] marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
Synonyms: double-dealing double-faced double-tongued duplicitous janus-faced two-faced ambidextrous
Examples:

"she was a deceitful scheming little thing"- Israel Zangwill "a double-dealing double agent" "a double-faced infernal traitor and

Related terms: dishonest
3. [ adjective ] marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
Synonyms: double-dealing duplicitous Janus-faced two-faced double-faced double-tongued ambidextrous
Examples:

"she was a deceitful scheming little thing"- Israel Zangwill "a double-faced infernal traitor and schemer"- W.M.Thackeray

Related terms: dishonest
Similar spelling:   deceitfully