logorrhea

logorrhea
    n 1: pathologically excessive (and often incoherent) talking
         [syn: {logorrhea}, {logomania}]
    

54 Moby Thesaurus words for "logorrhea":
      abundance, amplitude, cloud of words, copiousness, diffuseness,
      diffusion, diffusiveness, effusion, effusiveness, extravagance,
      exuberance, fecundity, fertility, flow of words, fluency,
      flux of words, formlessness, gush, gushing, logomania,
      long-windedness, longiloquence, macrology, outpour, overflow,
      palilogy, pleonasm, prodigality, productivity, profuseness,
      profusion, prolificacy, prolificity, prolixity, rampancy, rankness,
      redundancy, reiteration, reiterativeness, repetition for effect,
      repetitiveness, superabundance, superfluity, superflux,
      talkativeness, tautology, teemingness, tirade, verbal diarrhea,
      verbalism, verbality, verbiage, verbosity, wordiness