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cool [ˈkuːl]

1 cool adjective
  • somewhat cold : not warm or hot
  • made of a light, thin material that helps you stay cool
  • able to think and act in a calm way : not affected by strong feelings
2 cool verb
  • to make (someone or something) cool —often + off or down
  • to become cool : to lose heat or warmth —often + off or down
  • to become less strong or intense especially in emotion —often + off or down
3 cool noun
4 cool adverb
  • in a calm manner : in a way that does not seem unusual or excited