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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.
See also: hard, rock

Common Names:

NameGenderPronouncedUsage
Eustachius-Late Roman
Kisha-African American
VÍGi-Ancient Scandinavian
Edwige-French
Mcmillan[mək'milən]
Madonna[mə'dɔnə]
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