rock-ribbed
(räk′ribd′)
adjective
- having rocky ridges or elevations: rock-ribbed coasts
- firm; rigid; unyielding: a rock-ribbed policy
See rock-ribbed in American Heritage Dictionary 4
adjective- Having rocks or rock outcroppings; rocky.
- Firm and unyielding, especially with regard to one's principles, loyalties, or beliefs: a rock-ribbed conservative.