[syn: asperity, grimness, hardship, rigor, rigour, severity, severeness, rigorousness, rigourousness]
The Collaborative International Dictionary of English v.0.48:
Grimness \Grim"ness\, n. [AS. grimnes.]
Fierceness of look; sternness; crabbedness; forbiddingness.
[1913 Webster]
WordNet (r) 3.0 (2006):
grimness
n 1: the quality of being ghastly [syn: ghastliness,
grimness, gruesomeness, luridness]
2: something hard to endure; "the asperity of northern winters"
[syn: asperity, grimness, hardship, rigor, rigour,
severity, severeness, rigorousness, rigourousness]