uproarious

from WordNet (r) 3.0 (2006)

uproarious
    adj 1: uncontrollably noisy [syn: {rackety}, {rip-roaring},
           {uproarious}]
    2: marked by or causing boisterous merriment or convulsive
       laughter; "hilarious broad comedy"; "a screaming farce";
       "uproarious stories" [syn: {hilarious}, {screaming(a)},
       {uproarious}]

from The Collaborative International Dictionary of English v.0.48

Uproarious \Up*roar"i*ous\, a.
   Making, or accompanied by, uproar, or noise and tumult; as,
   uproarious merriment.
   [1913 Webster] -- {Up*roar"i*ous*ly}, adv. --
   {Up*roar"i*ous*ness}, n.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

58 Moby Thesaurus words for "uproarious":
      anarchic, angry, blaring, blatant, blatting, blustering,
      blusterous, blustery, boisterous, brassy, brawling, brazen,
      chaotic, clamant, clamorous, clamoursome, clanging, clangorous,
      clattery, deafening, disorderly, excited, frantic, frenzied,
      furious, hellish, hilarious, hysterical, infuriate, insensate,
      killing, mad, mafficking, mindless, noiseful, noisy, obstreperous,
      orgasmic, orgastic, pandemoniac, rackety, raging, ravening, raving,
      riotous, rip-roaring, rowdy, sonorous, storming, stormy,
      strepitant, strepitous, tempestuous, troublous, tumultuous,
      turbulent, vociferous, wild