Rigid and unrelenting.
Ghastly or sinister.
Disgusting; gross.
Dismal and gloomy, cold and forbidding.
To make grim; to give a stern or forbidding aspect to.
Unpolished, rough and ready, uncultured, unsophisticated.
Woven from a coarsely spun yarn, (usually also from a coarse material).
A garment made from roughly spun yarn or made from a coarse material.