rottenness

noun

Etymology: From Middle English rotennesse; equivalent to rotten + -ness.

1. The quality of being rotten.

   “The track was further weakened by the too wide spacing of the sleepers, most of which "were in the last stage of rottenness."”

   “Slowly Matilda sat down. Oh, the rottenness of it all! The unfairness! How dare they expel her for something she hadn't done!”