The Collaborative International Dictionary of English v.0.48:

Dexterous \Dex"ter*ous\, a. [L. dexter. See Dexter.] [Written
   also dextrous.]
   1. Ready and expert in the use of the body and limbs;
      skillful and active with the hands; handy; ready; as, a
      dexterous hand; a dexterous workman.
      [1913 Webster]

   2. Skillful in contrivance; quick at inventing expedients;
      expert; as, a dexterous manager.
      [1913 Webster]

            Dexterous the craving, fawning crowd to quit.
                                                  --Pope.
      [1913 Webster]

   3. Done with dexterity; skillful; artful; as, dexterous
      management. "Dexterous sleights of hand." --Trench.

   Syn: Adroit; active; expert; skillful; clever; able; ready;
        apt; handy; versed.
        [1913 Webster]

WordNet (r) 3.0 (2006):

dexterous
    adj 1: skillful in physical movements; especially of the hands;
           "a deft waiter"; "deft fingers massaged her face";
           "dexterous of hand and inventive of mind" [syn: deft,
           dexterous, dextrous]

Moby Thesaurus II by Grady Ward, 1.0:

86 Moby Thesaurus words for "dexterous":
   Daedalian, adept, adroit, agile, apt, artful, artistic, astute,
   authoritative, brainy, bravura, bright, brilliant, canny, clean,
   clever, coordinated, crack, crackerjack, crafty, cunning, cute,
   daedal, deft, dextromanual, dextrous, diplomatic, easy, effortless,
   excellent, expert, facile, fancy, gifted, good, goodish, graceful,
   guileful, handy, ingenious, keen, keen-witted, lithe, magisterial,
   masterful, masterly, neat, neat-handed, nimble, nimble-witted,
   no dumbbell, no mean, not born yesterday, politic, professional,
   proficient, quick, quick-thinking, quick-witted, quite some, ready,
   resourceful, right-handed, scintillating, sharp, sharp-witted,
   shrewd, skilled, skillful, slick, slim, sly, smart, smooth, some,
   statesmanlike, steel-trap, stylish, supple, tactful, talented,
   the compleat, the complete, virtuoso, well-done, workmanlike