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Hardness
01
the degree of difficulty involved in accomplishing a task
Example
The hardness of the exam left many students feeling overwhelmed.
They underestimated the hardness of the mountain climb.
02
a quality of water that contains dissolved mineral salts that prevent soap from lathering
03
the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale
04
devoid of passion or feeling; hardheartedness
05
excessive sternness