prolixity

[L. prolixitas: cf. F. prolixité.]
The quality or state of being prolix; great length; minute detail; as, prolixity in discourses and writings. «For fulsomeness of his prolixitee.» Chaucer.

Idly running on with vain prolixity.

noun

Words or the use of words in excess of those needed for clarity or precision: diffuseness, diffusion, long-windedness, pleonasm, redundancy, verbiage, verboseness, verbosity, windiness, wordage, wordiness. See excess/insufficiency/enough, style/good style/bad style, words.

Any unnecessary language or facts in pleadings or in evidence.

The noun has one meaning:

Meaning #1: boring verboseness
  Synonyms: prolixness, long-windedness, wordiness