[syn: ambidextrous, deceitful, double-dealing, duplicitous, Janus-faced, two-faced, double-faced, double-tongued]
The Collaborative International Dictionary of English v.0.48:
Ambidextrous \Am`bi*dex"trous\, a.
   1. Having the faculty of using both hands with equal ease.
      --Sir T. Browne.
      [1913 Webster]
   2. Practicing or siding with both parties.
      [1913 Webster]
            All false, shuffling, and ambidextrous dealings.
                                                  --L'Estrange.
      [1913 Webster]
WordNet (r) 3.0 (2006):
ambidextrous
    adj 1: equally skillful with each hand; "an ambidextrous
           surgeon" [syn: ambidextrous, two-handed] [ant: left-
           handed, right-handed]
    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]
Moby Thesaurus II by Grady Ward, 1.0:
68 Moby Thesaurus words for "ambidextrous":
   Janus-like, Machiavellian, adaptable, adjustable, all-around,
   ambidexter, ambidextral, amphibious, artful, bifacial, bifold,
   biform, bilateral, binary, binate, biparous, bivalent,
   conduplicate, crafty, crooked, cunning, deceitful, dextrosinistral,
   dishonest, disomatous, double, double-dealing, double-faced,
   double-minded, double-tongued, doublehearted, dual, duple, duplex,
   duplicate, duplicitous, faithless, false, false-principled,
   falsehearted, flexible, geminate, geminated, generally capable,
   hypocritical, left-handed, many-sided, mobile, perfidious,
   resourceful, second, secondary, shifty, sinistrodextral, slippery,
   supple, treacherous, tricky, twin, twinned, two-faced, two-handed,
   two-level, two-ply, two-sided, two-story, twofold, versatile
The Devil's Dictionary (1881-1906):
AMBIDEXTROUS, adj.  Able to pick with equal skill a right-hand pocket
or a left.