Adjective

• S: (adj) ambidextrous, deceitful, double-dealing, duplicitous, Janus-faced, two-faced, double-faced, double-tongued (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
• S: (adj) Janus-faced, two-faced (having two faces--one looking to the future and one to the past) "Janus the two-faced god"