grimness
1. [ noun ] the quality of being ghastly
Synonyms: gruesomeness luridness ghastliness
Related terms: frightfulness
2. [ noun ] something hard to endure
Synonyms: rigor hardship rigour severity rigorousness asperity
Examples:

"the asperity of northern winters"

Related terms: difficulty
Similar spelling:   greyness
  grayness
  Grimes
  Grames
  greenness
  grainger
  Grams
  grumous
  grumose
  grimace
  Groomes