Definition of "tediousness"

tediousness

noun
usually uncountable, plural tediousnesses
1. The quality of being tedious; tedium.
  Quotations
  [B]revity is the soul of wit,And tediousness the limbs and outward flourishes[.]
  c. 1599–1602 (date written), William Shakespeare, “The Tragedie of Hamlet, Prince of Denmarke”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene ii]
  I am the worst person in the world for formal dinners, but I shall be thankful to have a resting-place whereon to bestow my tediousness in an evening.
  1838 (date written), L[etitia] E[lizabeth] L[andon], chapter VII, in Lady Anne Granard; or, Keeping up Appearances. […], volume I, London: Henry Colburn, […], published 1842, page 95