The Collaborative International Dictionary of English v.0.48:

Unsatisfied \Unsatisfied\
   See satisfied.

WordNet (r) 3.0 (2006):

unsatisfied
    adj 1: not having been satisfied [syn: unsated, unsatiated,
           unsatisfied]
    2: worried and uneasy [syn: restless, ungratified,
       unsatisfied]

Moby Thesaurus II by Grady Ward, 1.0:

121 Moby Thesaurus words for "unsatisfied":
   a hog for, acquisitive, all-devouring, anguished, anxious,
   avaricious, avid, beefing, bellyaching, bitching, bored,
   bottomless, cheerless, complaining, complaintful, concupiscent,
   coveting, covetous, crabbing, crabby, cranky, croaking, depressed,
   devouring, disappointed, discontented, disgruntled, disgusted,
   displeased, dissatisfied, ejaculatory, envious, esurient,
   faultfinding, gluttonous, goatish, gobbling, grabby, grasping,
   greedy, grim, griping, grouchy, grousing, growling, grumbling,
   hoggish, horny, hot, hot-blooded, insatiable, insatiate, itching,
   joyless, lascivious, libidinous, lickerish, limitless, lustful,
   malcontent, malcontented, mercenary, miserly, money-hungry,
   money-mad, murmuring, muttering, nauseated, nauseous, omnivorous,
   orgasmic, orgastic, out of humor, overgreedy, passionate, peevish,
   petulant, piggish, pleasureless, prey to malaise, prurient,
   quenchless, querulant, querulous, randy, rapacious, ravening,
   ravenous, rebellious, repelled, resentful, restive, restless,
   revolted, sad, salacious, sex-starved, sexy, sickened, slakeless,
   sordid, steamy, suffering angst, sulky, swinish, unaccepting,
   unaccommodating, unappeasable, unappeased, uneasy, unfulfilled,
   ungratified, unhappy, unquenchable, unquiet, unsated, unslakeable,
   unslaked, venal, voracious, whiny