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

• catarrhine
• catarrhinian
• Catasetum
• Catasetum macrocarpum
• catastrophe
• catastrophe theory
• catastrophic
• catastrophic illness
• catastrophically
• catastrophism
• catatonia
• catatonic
• catatonic schizophrenia
• catatonic type schizophrenia
• Catawba
• catbird
• catboat
• catbrier
• catcall
• catch
• catch a glimpse
• catch a wink
• catch cold
• catch crop
• catch fire