Definition of hardness

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  • hardness is a valid Scrabble US word with a point value of 12
  • hardness is a valid Scrabble UK word with a point value of 12
  • hardness is a valid Words with friends word with a point value of 12

Definition of hardness

  • devoid of passion or feeling; hardheartedness (noun)

    Synonyms

    1. callosity
    2. callousness
    3. insensibility
    4. unfeelingness
  • excessive sternness (noun)

    Synonyms

    1. harshness
    2. inclemency
    3. rigor
    4. rigorousness
    5. rigour
    6. rigourousness
    7. severeness
    8. severity
    9. stiffness
  • the quality of being difficult to do (noun)

    Examples

    1. he assigned a series of problems of increasing hardness

    Synonyms

    1. ruggedness
  • a quality of water that contains dissolved mineral salts that prevent soap from lathering (noun)

    Examples

    1. the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present
  • the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale (noun)

See definition of hardness in Merriam Webster