derisive

derisive
    adj 1: abusing vocally; expressing contempt or ridicule;
           "derisive laughter"; "a jeering crowd"; "her mocking
           smile"; "taunting shouts of `coward' and `sissy'" [syn:
           {derisive}, {gibelike}, {jeering}, {mocking}, {taunting}]
    

Derisive \De*ri"sive\, a.
   Expressing, serving for, or characterized by, derision.
   "Derisive taunts." --Pope. -- {De*ri"sive*ly}, adv. --
   {De*ri"sive*ness}, n.
   [1913 Webster]
    

122 Moby Thesaurus words for "derisive":
      abusive, arrogant, audacious, aweless, back-biting, bantering,
      belittling, biggety, bitchy, blackening, blameful, bluff, bold,
      booing, brash, brassy, brazen, bumptious, calumniatory, calumnious,
      catcalling, catty, censorious, chaffing, challenging, cheeky,
      chutzpadik, cocky, condemnatory, contemptuous, contumelious,
      crusty, damnatory, daring, defamatory, defiant, defying,
      denunciatory, deprecative, deprecatory, depreciative, depreciatory,
      derisory, derogative, derogatory, detractory, discourteous,
      disdainful, disparaging, disregardful, disrespectful, execrating,
      execrative, execratory, facy, fleering, flip, flippant, fooling,
      fresh, gally, gratuitous, greatly daring, grinning, hissing,
      hooting, impertinent, impudent, insolent, invective, inveighing,
      irreverent, jeering, joshing, judgmental, kidding, leering,
      libelous, malapert, minimizing, mocking, nervy, objurgatory,
      panning, pejorative, pert, priggish, quizzical, ragging, railing,
      rallying, razzing, regardless of consequences, reproachful,
      reprobative, reviling, ridiculing, roasting, rude, sassy, saucy,
      scandalous, scoffing, scurrile, scurrilous, slanderous, slighting,
      smart, smart-alecky, smart-ass, smirking, sneering, snickering,
      sniggering, snorting, taunting, teasing, twitting, uncalled-for,
      vilifying, vituperative, wise-ass