'Double-faced' definitions:

Definition of 'double-faced'

(from WordNet)
adjective
(of fabrics) having faces on both sides; "damask is a double-faced fabric"
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, duplicitous, Janus-faced, two-faced, double-faced, double-tongued]

Definition of 'Double-faced'

From: GCIDE
  • Double-faced \Dou"ble-faced`\, a.
  • 1. Having two faces designed for use; as, a double-faced hammer. [1913 Webster]
  • 2. Deceitful; hypocritical; treacherous. --Milton. [1913 Webster]