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Meaning & Definition of Hardness in English





1. The property of being rigid and resistant to pressure

  • Not easily scratched
  • Measured on mohs scale
  • hardness

2. A quality of water that contains dissolved mineral salts that prevent soap from lathering

  • "The costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present"
  • hardness

3. Devoid of passion or feeling

  • Hardheartedness
  • unfeelingness,
  • callousness,
  • callosity,
  • hardness,
  • insensibility

4. The quality of being difficult to do

  • "He assigned a series of problems of increasing hardness"
  • "The ruggedness of his exams caused half the class to fail"
  • hardness,
  • ruggedness

5. Excessive sternness

  • "Severity of character"
  • "The harshness of his punishment was inhuman"
  • "The rigors of boot camp"
  • severity,
  • severeness,
  • harshness,
  • rigor,
  • rigour,
  • rigorousness,
  • rigourousness,
  • inclemency,
  • hardness,
  • stiffness

Examples of using

The hardness of diamond is 100.
The hardness of diamond is such that it can cut glass.
The hardness of diamond is 10.