Synonyms: die-hard, rock-ribbed
Definition: tradition-bound and obstinately opinionated
Usage: an inflexible (or die-hard) conservative; rock-ribbed republican
Synonyms: rock-ribbed, rockbound
Definition: abounding in or bordered by rocky cliffs or scarps
Usage: the rock-ribbed coast of Maine
Similar words: unsmooth, rough
Definition: having or caused by an irregular surface
Usage: trees with rough bark; rough ground; rough skin; rough blankets; his unsmooth face