rock-ribbed
adj 1: abounding in or bordered by rocky cliffs or scarps; "the
rock-ribbed coast of Maine" [syn: {rock-ribbed},
{rockbound}]
2: tradition-bound and obstinately opinionated; "an inflexible
(or die-hard) conservative"; "rock-ribbed republican" [syn:
{die-hard(a)}, {rock-ribbed}]