tiresomeness

from WordNet (r) 3.0 (2006)

tiresomeness
    n 1: dullness owing to length or slowness [syn: {tediousness},
         {tedium}, {tiresomeness}]

from The Collaborative International Dictionary of English v.0.48

Tiresome \Tire"some\, a.
   Fitted or tending to tire; exhausted; wearisome; fatiguing;
   tedious; as, a tiresome journey; a tiresome discourse. --
   {Tire"some*ly}, adv. -- {Tire"some*ness}, n.
   [1913 Webster]