The Collaborative International Dictionary of English v.0.48:

dissatisfied \dissatisfied\ adj.
   in a state of sulky dissatisfaction.

   Syn: disgruntled.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Dissatisfy \Dis*sat"is*fy\, v. t. [imp. & p. p. Dissatisfied;
   p. pr. & vb. n. Dissatisfying.]
   To render unsatisfied or discontented; to excite uneasiness
   in by frustrating wishes or expectations; to displease by the
   want of something requisite; as, to be dissatisfied with
   one's fortune.
   [1913 Webster]

         The dissatisfied factions of the autocracy. --Bancroft.
   [1913 Webster]

WordNet (r) 3.0 (2006):

dissatisfied
    adj 1: in a state of sulky dissatisfaction [syn: disgruntled,
           dissatisfied]

Moby Thesaurus II by Grady Ward, 1.0:

87 Moby Thesaurus words for "dissatisfied":
   against, annoyed, baffled, balked, beefing, bellyaching, betrayed,
   bilked, bitching, blasted, blighted, bothered, chapfallen,
   complaining, complaintful, con, crabbing, crabby, cranky,
   crestfallen, croaking, crossed, crushed, dashed, defeated,
   disappointed, disapprobatory, disapproving, discontent,
   discontented, disenchanted, disgruntled, dished, disillusioned,
   displeased, dissenting, envious, faultfinding, foiled, frustrated,
   griping, grouchy, grousing, growling, grumbling, ill done-by,
   ill-served, indignant, irked, let down, low, malcontent,
   malcontented, murmuring, muttering, opposed, opposing,
   out of countenance, out of humor, peevish, petulant, poor,
   querulant, querulous, rebellious, regretful, resentful, restive,
   restless, sorely disappointed, soured, sulky, thwarted, turned-off,
   unaccepting, unaccommodating, unappreciative, unapproving,
   uncomplimentary, uneasy, unfavorable, unfulfilled, ungratified,
   unhappy, unsatisfied, vexed, whiny