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cool - definition and synonyms

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adjective     cool pronunciation in American English
Word Forms
  1. 1
    rather cold, often in a pleasant way

    Tomorrow it will be cloudy and cool everywhere.

    The night air was still and beautifully cool.

    The water was wonderfully cool and refreshing.

    Store the wine in a cool dry place.

    Synonyms and related words
    1. b.
      cool clothes prevent you from feeling too hot

      He put on a cool cotton shirt and a pair of shorts.

    2. c.
      cool colors, such as white and blue, give an idea of cold instead of heat

      The place was painted in a cool glossy white.

  2. 2
    impressive because of being fashionable or attractive

    one of America’s coolest young designers

    It’s not considered cool to wear a helmet.

    1. a.
      used for emphasizing how good someone or something is

      I met this really cool girl last night.

      Cara’s taking a really cool art class at the community college.

    2. b.
      spoken used for agreeing to something or saying that something would be convenient

      “We could go to a movie.” “Cool.”

      Any time after five would be cool.

  3. 3
    calm and relaxed

    a cool and calm atmosphere

    her cool handling of the situation

    her cool way of handling the situation

    Synonyms and related words
  4. 4
    not friendly or enthusiastic

    The senator got a cool reception.

    cool to:

    The Bush administration officials have been cool to the idea.

  5. 5
    [only before noun] informal used with an amount of money for emphasizing how large it is

    He ended up with a cool $50,000.

  6. From our crowdsourced Open Dictionary
    cool beans! very informal a way of saying great, happy, joy, outstanding, yes

    Would you like a gift? Cool Beans!

    What do you think of this? Cool beans!

    Submitted by Margaret C Felux from United States on 23/05/2016

derived word


noun [uncountable]

We sat and enjoyed the coolness of the shade.

There was a definite coolness between the two men.

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a lifestyle focussing on simple pleasures such as comfort and cosiness in the home, and spending time with friends and family

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a form of location that involves the underwater detonation of a bomb which causes sound waves that are picked up by ships

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