rock-ribbed

Definition of Rock-ribbed in English :

1. rock-ribbed, rockbound

abounding in or bordered by rocky cliffs or scarps

Example Sentences:
'the rock-ribbed coast of Maine'

2. die-hard, rock-ribbed

tradition-bound and obstinately opinionated

Example Sentences:
'an inflexible (or die-hard) conservative'
'rock-ribbed republican'

WordNet Lexical Database for English. Princeton University. 2010.

Rock-ribbed

adjective

US

firm; uncompromising

My father was a very rock-ribbed republican.

adjective

1.

having rocky ridges or elevations

rock-ribbed coasts

2.

firm; rigid; unyielding

a rock-ribbed policy

adj.

1. Having rocks or rock outcroppings; rocky.

2. Firm and unyielding, especially with regard to one's principles, loyalties, or beliefs: a rock-ribbed conservative.