Hard or Hardness may refer to:

  • Hardness, resistance of physical materials to change under force
  • Hard water, water with a high mineral content
  • NP-hard, a term used in Computational complexity theory
  • Hard, Austria, a town in Austria
  • Hard (Zurich), a quarter in Z├╝rich
  • Hard (tennis), a type of tennis court
  • Hard (music festival), concerts and live events
  • Hard, or hard-on, a slang term for an erection
  • Hard (nautical), a firm or paved beach or slope convenient for hauling vessels out of the water
  • Hard (surname)
  • Hayward Area Recreation and Park District, abbreviated H.A.R.D.

Read more about Hard:  Music

Famous quotes containing the word hard:

    A pious woman’s neighbor, a philanthropist’s child, a liberal’s servant—these three have a hard life.
    Franz Grillparzer (1791–1872)

    Language is filled
    with words for deprivation
    images so familiar
    it is hard to crack language open
    into that other country
    the country of being.
    Susan Griffin (b. 1943)

    That way of life against which my generation rebelled had given us grim courage, fortitude, self-discipline, a sense of individual responsibility, and a capacity for relentless hard work.
    Rose Wilder Lane (1886–1968)