| rock-ribbed | (adj) ซึ่งมีหินมาก |
| rock-ribbed | (adj) abounding in or bordered by rocky cliffs or scarps, Syn. rockbound, Example: the rock-ribbed coast of Maine |
| die-hard | (adj) tradition-bound and obstinately opinionated, Syn. rock-ribbed, Example: an inflexible (or die-hard) conservative; rock-ribbed republican |