duplicitous
1. [ adjective ] marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
Synonyms: deceitful double-dealing double-faced double-tongued 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
2. [ adjective ] marked by deliberate deceptiveness especially by pretending one set of feelings and acting under the influence of another
Synonyms: deceitful double-dealing 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:   duplicity
  duplicability
  duplicator
  duplication
  duplicate