1. Hard as granite
   - granitic, rocklike, stony

See also: hard

• glaucoma
• Glaucomys
• Glaucomys sabrinus
• Glaucomys volans
• glauconite
• glaucous
• glaucous bristlegrass
• Glaux
• Glaux maritima
• glaze
• glaze over
• glazed
• glazer
• glazier
• gleam
• gleaming
• glean
• gleaner
• gleba
• glebe
• glebe house
• Glechoma
• Glechoma hederaceae
• Gleditsia
• Gleditsia aquatica