Definition of

Cool

  1. (noun, attribute) the quality of being at a refreshingly low temperature
  2. (noun, attribute) great coolness and composure under strain
  3. (verb, change) make cool or cooler
  4. (verb, change) loose heat
  5. (verb, change) lose intensity
  6. (adj, all) neither warm nor very cold; giving relief from heat
    a cool room
    cool summer dresses
    cool drinks
    a cool breeze
  7. (adj, all) marked by calm self-control (especially in trying circumstances); unemotional
    keep cool
    stayed coolheaded in the crisis
    the most nerveless winner in the history of the tournament
  8. (adj, all) (color) inducing the impression of coolness; used especially of greens and blues and violets
  9. (adj, all) psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike
    a cool reception
    cool to the idea of higher taxes
  10. (adj, all) (used of a number or sum) without exaggeration or qualification
  11. (adj, all) fashionable and attractive at the time; often skilled or socially adept
    that's cool
    Mary's dress is really cool
    it's not cool to arrive at a party too early

via WordNet, Princeton University

Antonyms of Cool

heat, warm

Origin of the word Cool

  1. O.E. col, from P.Gmc. *koluz, from PIE base *gel- "cold, to freeze." The v. form kele (from O.E. colian) was used by Shakespeare, but has been assimilated with the adj. into the modern word. Applied since 1728 to large sums of money to give emphasis to amount. Meaning "calmly audacious" is from 1825. Slang use for "fashionable" is 1933, origin… more

via Online Etymology Dictionary, ©2001 Douglas Harper

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