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Definition of "cool" []

  • Neither warm nor very cold; moderately cold: fresh, cool water; a cool autumn evening. (adjective)
  • Giving or suggesting relief from heat: a cool breeze; a cool blouse. (adjective)
  • Marked by calm self-control: a cool negotiator. (adjective)
  • Marked by indifference, disdain, or dislike; unfriendly or unresponsive: a cool greeting; was cool to the idea of higher taxes. (adjective)
  • Of, relating to, or characteristic of colors, such as blue and green, that produce the impression of coolness. (adjective)
  • Moderately cold (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • Comfortably free of heat (adjective)
  • Producing a pleasant feeling of coldness (adjective)
  • Able to conceal emotion; calm (adjective)
  • Lacking in enthusiasm, affection, cordiality, etc (adjective)
  • Calmly audacious or impudent (adjective)
  • (esp of numbers, sums of money, etc) without exaggeration; actual (adjective)
  • (of a colour) having violet, blue, or green predominating; cold (adjective)
  • (of jazz) characteristic of the late 1940s and early 1950s, economical and rhythmically relaxed (adjective)
  • Sophisticated or elegant, esp in an unruffled way (adjective)
  • Excellent; marvellous (adjective)
  • In a cool manner; coolly (adverb)
  • Coolness (noun)
  • Calmness; composure (esp in the phrases keep or lose one's cool) (noun)
  • Unruffled elegance or sophistication (noun)
  • To make or become cooler (verb)
  • To lessen the intensity of (anger or excitement) or (of anger or excitement) to become less intense; calm down (verb)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "cool" in a sentence
  • "More than a few Democratic politicians use the term cool or cold to describe the president."
  • "Sebastian stood there, his expression cool and gloating, his arms outstretched, his fingers almost touching the tunnel walls."
  • "She turned to face him, her expression cool and unreadable."