1. Hard as granite
   - granitic, granitelike, stony

See also: hard

• camomile tea
• Camorra
• camosh
• camouflage
• camouflaged
• camp
• camp bed
• camp chair
• Camp David
• camp down
• camp follower
• camp meeting
• camp out
• camp robber
• camp-made
• campaign
• campaign for governor
• campaign hat
• campaigner
• campaigning
• campana
• campanero
• Campania
• campanile
• campanologist