nastiness

noun5

1. •
   Indecency; corruption; unkindness, meanness, spite, harshness, cruelty.

   • Among current novelists, Martin Amis lacks intellectual force but is well supplied with nastiness, which occasionally resembles humor. — 1995
2. •
   A nasty action, object, quality, etc. (all senses of nasty).

   • […] imagine the delights of bathing when the Baths were open to public view, the said public delighting to throw dead cats, offal, and all manner of nastinesses among the bathers! — 1899
3. •
   Unpleasantness, disagreeableness (to the senses).

   • Some medical beast had revived Tar-water in those days as a fine medicine, and Mrs. Joe always kept a supply of it in the cupboard; having a belief in its virtues correspondent to its nastiness. — 1860
4. •
   Lack of cleanliness.

   • They neither comb their Head, nor wash their Face, / But think their virtuous Nastiness a grace. — 1684
5. •
   Dirt, filth.