Janus-faced
    adj 1: having or concerned with polarities or contrasts; "a
           Janus-faced view of history"; "a Janus-faced policy"
    2: 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]
    3: having two faces--one looking to the future and one to the
       past; "Janus the two-faced god" [syn: Janus-faced, two-
       faced]

Janus-faced \Ja"nus-faced`\, a.
   Double-faced; deceitful.
   [1913 Webster]

   Janus-faced lock, one having duplicate faces so as to go
      upon a right or a left hand door, the key entering on
      either side indifferently. --Knight.
      [1913 Webster]