unpleasantness
1. [ noun ] the feeling caused by disagreeable stimuli; one pole of a continuum of states of feeling
Related terms: pleasantness pain
2. [ noun ] the quality of giving displeasure
Examples:

"the recent unpleasantness of the weather"

Related terms: pleasantness quality awfulness offensiveness nastiness
Similar spelling:   unpleasingness
  unpleasantly
  unpleasant_woman
  unpleasant_person