hard as a rock

*hard as a rock

and *hard as stone

very hard. (*Also: as ∼.) This cake is as hard as a rock! I can't drive a nail into this wood. It's hard as stone.

Name	Pronounced	Usage
Vasudha	-	Indian, Hindi
AbdÜLkadİR	-	Turkish
Julio	HOO-lyo (Spanish), ZHOO-lyoo (Portuguese)	Spanish, Portuguese
Gurutz	-	Basque
Nevra	-	Turkish
Eyvindr	-	Ancient Scandinavian