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

• Nebuchadnezzar II
• Nebuchadrezzar
• Nebuchadrezzar II
• nebula
• nebular
• nebular hypothesis
• nebule
• nebulise
• nebuliser
• nebulize
• nebulizer
• nebulose
• nebulosity
• nebulous
• nebulously
• nebulousness
• NEC
• necessarian
• necessarily
• necessary
• necessitarian
• necessitarianism
• necessitate
• necessitous
• necessity