Search Result for "dissatisfy": 
Wordnet 3.0

VERB (1)

1. fail to satisfy;

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):

dissatisfy v 1: fail to satisfy [ant: gratify, satisfy]
Moby Thesaurus II by Grady Ward, 1.0:

21 Moby Thesaurus words for "dissatisfy": baffle, balk, bilk, cast down, cross, dash, defeat, defeat expectation, disappoint, discontent, disgruntle, dishearten, disillusion, displease, foil, frustrate, let down, put out, tantalize, tease, thwart