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hard

adjective (SOLID)
 
 
/hɑːd/ US  /hɑːrd/

Definition

A2 not easy to bend, cut, or break: a hard surface There was a heavy frost last night and the ground is still hard. Heating the clay makes it hard. → Opposite softHard and firm hardness
 
 
/-nəs/ noun [U]
These alloys are characterized by their extreme hardness.Hard and firmWater in general
(Definition of hard adjective (SOLID) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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