1. Abounding in or bordered by rocky cliffs or scarps
   "the rock-ribbed coast of Maine"
   - rockbound 
2. Tradition-bound and obstinately opinionated
   "rock-ribbed republican"
   - die-hard

See also: inflexible, rough, unsmooth

• grift
• grifter
• grig
• Grigori Aleksandrovich Potemkin
• Grigori Efimovich Rasputin
• Grigori Potemkin
• Grigori Potyokin
• grigri
• grill
• grillage
• grille
• grilled
• grilling
• grillroom
• grillwork
• grilse
• grim
• Grim Reaper
• grimace
• grimalkin
• grime
• Grimes' golden
• griminess
• grimly
• Grimm