1. Hard as granite
   - granitic, granitelike, stony

See also: hard

• abecedarius
• abed
• Abel
• Abel Janszoon Tasman
• Abel Tasman
• Abelard
• abele
• abelia
• abelian
• Abelian group
• Abelmoschus
• Abelmoschus esculentus
• Abelmoschus moschatus
• abelmosk
• Abenaki
• abend
• Aberdare
• Aberdeen
• Aberdeen Angus
• Aberdonian
• aberrance
• aberrancy
• aberrant
• aberrantly
• aberrate