- unpleasantness - the feeling caused by disagreeable stimuli; one pole of a continuum of states of feeling
--1 is a kind of pain, painfulness
Antonyms: pleasantness
- unpleasantness - the quality of giving displeasure; "the recent unpleasantness of the weather"
--2 is a kind of quality
Antonyms: pleasantness, sweetness
--2 has particulars:nastiness; offensiveness, odiousness, distastefulness; awfulness, dreadfulness, horridness, terribleness