[1] : The Collaborative International Dictionary of English v.0.48

verbosity \verbos"ity\, n.; pl. verbosities. l. verbositas:
   cf. f. verbosit'e.
   the quality or state of being verbose; the use of more words
   than are necessary; prolixity; wordiness; verbiage.
   1913 webster

         the worst fault, by far, is the extreme diffuseness and
         verbosity of his style.                  --jeffrey.
   1913 webster
see also:
verbosities 

[2] : WordNet (r) 2.0

verbosity
     n : an expressive style that uses excessive words syn: verboseness
         ant: terseness
see also:
verboseness terseness 

[3] : Moby Thesaurus II by Grady Ward, 1.0

71 moby thesaurus words for "verbosity":
   bedizenment, big mouth, bombast, candor, cloud of words,
   communicativeness, conversableness, duplication,
   duplication of effort, effusion, effusiveness, embellishment,
   expletive, extravagance, fat, featherbedding, filling,
   flow of words, flowing tongue, fluency, fluent tongue,
   flux de bouche, flux de paroles, flux of words, frankness, frill,
   frills, frippery, garrulity, garrulousness, gassiness, gift of gab,
   gingerbread, glibness, grandiloquence, gregariousness, gush,
   gushiness, logorrhea, long-windedness, longiloquence, loose tongue,
   loquaciousness, loquacity, luxury, needlessness, openness,
   ornamentation, overadornment, overlap, padding, payroll padding,
   pleonasm, prolixity, redundance, redundancy, slush, sociability,
   spate of words, superfluity, superfluousness, talkativeness,
   tautology, unnecessariness, verbalism, verbality, verbiage,
   verboseness, volubility, windiness, wordiness

Verbosity >> V Words
Verbosity, definition of term: Verbosity
verbosity_pag1.html