Definition of


  1. (noun, person) someone who is morally reprehensible
  2. (noun, communication) software used in art and architecture and engineering and manufacturing to assist in precision drawing

via WordNet, Princeton University

Origin of the word Cad

  1. 1730, shortening of cadet (q.v.); originally used of servants, then (1831) of town boys by students at British universities and public schools (though at Cambridge it meant "snob"). Meaning "person lacking in finer feelings" is from 1838.
    "A cad used to be a jumped-up member of the lower classes who was guilty of behaving as if he didn't know that his lowly origin ma… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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