Definition of

Coolness

  1. (noun, attribute) a lack of affection or enthusiasm
  2. (noun, attribute) fearless self-possession in the face of danger
  3. (noun, attribute) the property of being moderately cold
  4. (noun, feeling) calm and unruffled self-assurance

via WordNet, Princeton University

Origin of the word Coolness

  1. O.E. colnesse; see cool + -ness. Fig. sense is from 1650s, "calmness;" meaning "absence of warm affection" is from 1670s. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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