duplicitous

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

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, deceitful, double-dealing, Janus-faced, two-faced,
double-faced, double-tongued
• Similar to:
dishonest, dishonorable
• Derivationally related forms:
duplicity, double-dealing (for: double-dealing), deceitfulness (for: deceitful)