The Collaborative International Dictionary of English v.0.48:

Unsavory \Unsavory\
   See savory.

Moby Thesaurus II by Grady Ward, 1.0:

121 Moby Thesaurus words for "unsavory":
   amoral, bitter, conscienceless, corrupt, corrupted, criminal,
   crooked, dark, dead, derogatory, devious, dilute, diluted,
   disagreeable, discreditable, disgusting, dishonest, dishonorable,
   dislikable, displeasing, disreputable, distasteful, doubtful,
   dubious, evasive, fade, felonious, fishy, flat, flavorless,
   foul-tasting, fraudulent, gruelly, ignoble, ignominious,
   ill-flavored, ill-got, ill-gotten, immoral, inane, indifferent,
   indirect, infamous, inglorious, insidious, insipid, jejune, mild,
   milk-and-water, nasty, nauseating, not kosher, notorious,
   objectionable, obnoxious, offensive, pappy, pulpy, questionable,
   repellent, repugnant, repulsive, revolting, rotten, sapless,
   savorless, seamy, shady, shameless, shifty, sickening, sinister,
   slippery, sordid, sour, spiceless, stale, suspicious, tasteless,
   thankless, thin, tricky, ugly, unalluring, unappealing,
   unappetizing, unattractive, unconscienced, unconscientious,
   unconscionable, undelectable, undelicious, underhand, underhanded,
   undesirable, unengaging, unenjoyable, unethical, unflavored,
   uninviting, unlikable, unpalatable, unpleasant, unpleasing,
   unpraiseworthy, unprincipled, unrespectable, unscrupulous,
   unstraightforward, untasteful, untasty, unwelcome, vapid, washy,
   watered, watered-down, watery, weak, wishy-washy, without remorse,
   without shame