English dictionary



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English noun: hardness

1. hardness (attribute) the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale


Broader (hypernym)body, consistence, consistency, eubstance


Narrower (hyponym)firmness, incompressibility


Attributehard, soft


Antonymssoftness

2. hardness (attribute) a quality of water that contains dissolved mineral salts that prevent soap from lathering


SamplesThe costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present.


Broader (hypernym)quality

3. hardness (attribute) devoid of passion or feeling; hardheartedness


Synonymscallosity, callousness, insensibility, unfeelingness


Broader (hypernym)insensitiveness, insensitivity


Narrower (hyponym)dullness

4. hardness (attribute) the quality of being difficult to do


SamplesHe assigned a series of problems of increasing hardness.
The ruggedness of his exams caused half the class to fail.


Synonymsruggedness


Broader (hypernym)difficultness, difficulty

5. hardness (attribute) excessive sternness


SamplesSeverity of character.
The harshness of his punishment was inhuman.
The rigors of boot camp.


Synonymsharshness, inclemency, rigor, rigorousness, rigour, rigourousness, severeness, severity, stiffness


Broader (hypernym)sternness, strictness









Based on WordNet 3.0 copyright © Princeton University.
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