Definition of cool in US English:

cool

adjective

  • 1Of or at a fairly low temperature.

    ‘it'll be a cool afternoon’
    ‘the wind kept them cool’
    • ‘It was late afternoon, and fairly cool, but the USAID official was sweating heavily.’
    • ‘The North Sea's cool surface temperature keeps eastern areas colder than those further west.’
    • ‘However, up in the mountainous region like this also brought cold wind and cool temperature.’
    • ‘Unseasonably cool weather also contributed to track records in four competition categories.’
    • ‘Convection is the dissipation of heat when relatively cool air passes over exposed skin.’
    • ‘By the 27th, a strong cold front would be bringing strong winds and very cool temperatures.’
    • ‘I smiled and climbed the ladder into the hay loft, shivering in the refreshingly cool air.’
    • ‘It was a beautiful fall day, the kind where the temperature is cool but not too chilly, so you can get away with wearing your jacket open.’
    • ‘Her hands felt cool against his burning skin as she lifted his arm.’
    • ‘Leave until cool enough to handle, then peel them and cut into wedges.’
    • ‘We have been getting good afternoon showers with fairly cool nights, a welcome change from the heat.’
    • ‘Debbie's having air con installed today at work so it should be a bit better over there, I'll just have to direct my fan on to the air con unit to keep it cool!’
    • ‘If grain is stored into the following summer, run fans only at night when the temperature is fairly cool.’
    • ‘The air was cool against their skin, contrasting with the heat inside the passageway.’
    • ‘By cool room temperature I mean an unheated castle in the English countryside in December.’
    • ‘The weather was cool enough to wear pants, but not yet cold enough for a jacket.’
    • ‘When buying seeds look at where and how the seed is stored - cool, dry positions are best.’
    • ‘Keep the water cool because the body absorbs water at a cool temperature quicker than if very cold or hot.’
    • ‘Bring in pots of fuchsia and pelargoniums and keep them in a light, cool frost - free place.’
    • ‘It was the last day of October, a chilly afternoon with cool winds blowing in from the ocean.’
    chilly, cold
    View synonyms
    1. 1.1 Soothing or refreshing because of its low temperature.
      ‘a cool drink in the leafy shade’
      figurative ‘the bathroom was all glass and cool, muted blues’
      • ‘At such times, the tongue and the throat crave for nothing more than a long drink of fresh, cool water.’
      • ‘I closed my eyes again and imagined myself in a cool, refreshing blue pool.’
      • ‘He then took off his glasses and started to bring the cool refreshing water up to his face.’
      • ‘She was drinking the cool, crisp water before the beginning of the journey.’
      • ‘The cool refreshing water moistened his throat and gave him chills down his back.’
      • ‘He said putting the top of the can on his lips, enjoying the cool refreshing drink.’
      • ‘I knew it was an oasis of cold drinks, cool grasses and music in the park.’
      • ‘It was cool enough to be refreshing but not so cold that you froze.’
      • ‘It's as if your body is charged with new energy when you bend down on hands and knees, cup your hands and drink the cool, fresh liquid.’
      • ‘Brian filled the glass with nice, cool, fresh beer.’
      • ‘Glasses of blissfully cool water were brought forth and each gulped the refreshment down like a castaway.’
      • ‘And that would be more refreshing than a cool, crisp cola on a hot summer's day.’
      • ‘Jabu bathed his feet in the cool refreshing river as the cows drank their fill.’
      • ‘We then went for a stroll through the village, and had a cool, refreshing drink in a bar, before going back to collect our bags for the night.’
      • ‘After the initial shock of the cold, she found the water rather cool and refreshing.’
      • ‘The beer had been refreshingly good, like a cool breeze in a glass, and I had another.’
      • ‘He splashed the water on his face and found it refreshingly cool, he dipped his head under and felt the chill run through his body.’
      • ‘The cool and refreshing water caressed his lips, he drank but as he swallowed, his throat sent searing pain to his brain.’
      • ‘The ocean air was refreshing and a cool breeze had tempered the thick Hawaiian heat.’
      • ‘A pleasantly cool breeze was drifting in though the half-open window behind Maui.’
      chilly, cold
      View synonyms
    2. 1.2 (especially of clothing) keeping one from becoming too hot.
      ‘wear your cool, comfortable shirts’
      • ‘The enemy were strong, and could easily fight in the sun in their surprisingly cool robes.’
      • ‘I remembered that my father wore velvet coats in the winter and cool shirts in the summer.’
      • ‘Caroline was wearing a cool summer dress.’
      • ‘Cool, cotton clothes are a must in the heat and humidity, but cover up to visit palaces and temples.’
      • ‘Light, comfortable, and cool clothing is a must for carnival in Jamaica.’
  • 2Showing no friendliness toward a person or enthusiasm for an idea or project.

    ‘he gave a cool reception to the suggestion for a research center’
    • ‘The government s plan to provide corporations with tax incentives to employ new workers over the next three years, starting from this year, has been generally greeted with a cool response.’
    • ‘Most environmental non-governmental organisations have been cool to the idea of funding rehabilitation projects.’
    • ‘However, the idea has received a cool reception from employers, who believe it is unrealistic for all but a very few companies and employees.’
    • ‘His relationship with his wife has broken down and his two sons are distant and cool with him.’
    • ‘Throughout his life Louis treated her with a cool reserve.’
    unenthusiastic, lukewarm, tepid, indifferent, apathetic, half-hearted, negative
    View synonyms
    1. 2.1 Free from excitement or anxiety.
      ‘he prided himself on keeping a cool head’
      ‘she seems cool, calm, and collected’
      • ‘He was calm, cool and collected, working fast without emotion, just like the others.’
      • ‘Although he sensed a stew of emotions bubbling beneath her cool exterior, she never gave a sign of them in her eyes.’
      • ‘As difficult as it is to go against your instincts and emotions, you must control them and keep a cool head.’
      • ‘He is cool and controlled.’
      • ‘The one Sunderland player who remained cool under this pressure was Thomas Sorenson.’
      • ‘King can make plays with his feet, which Gruden loves, and he's very cool under pressure.’
      • ‘I wanted to be cool, calm and collected; at least in front of my audience.’
      • ‘As an actor, Richardson conveys just the right kind of austere intelligence where cool logic triumphs over emotion every time.’
      • ‘I try to be cool, calm and collective even in some severely testing situations.’
      • ‘Now ambulance staff have praised the Wigginton youngster for keeping a cool head and raising the alarm.’
      • ‘Britain's first mainstream female football presenter is cool, poised and confident.’
      • ‘He's so cool, calm and collected that he keeps me in check.’
      • ‘His goal was reward for keeping a cool head and desperately trying to be in the right place at the right time.’
      • ‘It is legislation that has been driven by reaction and by emotion rather than cool thought.’
      • ‘His voice was so calm, so cool and collected, I almost felt close to swooning.’
      • ‘It's not often, especially in recent times, that his team have looked so cool and unruffled.’
      • ‘Despite these additional pressures, the bride-to-be is keeping a cool head.’
      • ‘His voice cracks with emotion as he tries to retain his cool composure.’
      • ‘The Swede is known for keeping a cool head but said this was his nature, although bosses owe it to their teams to be confident and positive.’
      • ‘The World Cup will test Logan's nerve, show if she can stay cool under pressure.’
      calm, cool, calm, and collected, composed, as cool as a cucumber, collected, cool-headed, level-headed, self-possessed, controlled, self-controlled, poised
      View synonyms
    2. 2.2 (of jazz, especially modern jazz) restrained and relaxed.
      • ‘When the band plays, the jazz is cool, the atmosphere is laid-back and the bar service is quiet but efficient.’
      • ‘His book does not deal with the offshoots of bebop, such as cool jazz, hard bop, modal jazz, free jazz and fusion.’
      • ‘Even today, more than 40 years since it was first cut, it's still one of the most iconic tracks to come out of jazz's cool school.’
      • ‘The gazebo of the amphitheatre was the perfect setting for their ethereal fusion of cool jazz and old-time calypso.’
      • ‘Throw in waltzes, cool jazz, quasi-hymns, slinky beats and some country, and this might be the man's most musically diverse album.’
  • 3informal Fashionably attractive or impressive.

    ‘I always wore sunglasses to look cool’
    • ‘Be happy that you found someone cool to hang out with.’
    • ‘They had great food, there was always a good environment, and they played cool music in the background.’
    • ‘You will win a really cool prize. A prize so cool, I can't even tell you what it is at risk of upsetting contestants who don't win.’
    • ‘It's an unpretentious medley of old and new - the perfect antidote to the self-consciously cool bars of Dublin.’
    • ‘I want to devote my thirties to having babies, minding them and being free from the constant pursuit of cool clothes.’
    • ‘I've never been near here before, but the lights of Sydney look so cool at night.’
    • ‘Certainly, as a corrective to some of the more po-faced excesses of cool London club culture, rave was a blast of fresh air, an important rupture.’
    • ‘Still there was an end aim, a cool bar and cool free food and cool company.’
    • ‘The music is cool, with decent people depending on the night and great bartenders.’
    • ‘It's still cool that we get free memberships and extra bandwidth and whatnot.’
    • ‘One of the coolest bands of the 1970s has survived to still make cool music.’
    • ‘Across the road is the Turbine Hall, also a cool music venue.’
    • ‘On Waltz Across America, the band comes together for a very cool live collection of some of their biggest and best songs.’
    • ‘Her style is different from anyone else I know, which made her totally cool in my book.’
    • ‘There's just something so cool about a band doing a free in-store performance.’
    • ‘You could get a lot of cool free stuff from the manufacturers.’
    • ‘Who is going to replace her as the model of cool, trendy fashion on TV?’
    • ‘It was a hot basement but a cool crowd, free wine, very nice shop, and really good discussion afterwards.’
    • ‘It is a very cool collection of photographs from around New York.’
    • ‘I eventually went insane but I sure collected a lot of free cool stuff.’
    fashionable, in fashion, in vogue, voguish, up to date, bang up to date, up to the minute, modern, all the rage, modish, trendsetting, stylish, chic
    View synonyms
    1. 3.1 Excellent.
      as exclamation ‘a computer you didn't even have to plug in. Cool!’
      • ‘Tomorrow I also get to see my nephew again for the first time in a month and a half - cool!’
      • ‘I didn't know all planets and planetoids were officially supposed to be named after gods of mythology - cool!’
      • ‘They are however looking for other indie kids who are unique in exactly the same way as them - cool, huh?’
      very good, superb, outstanding, magnificent, of high quality, of the highest quality, of the highest standard, exceptional, marvellous, wonderful, sublime, perfect, eminent, pre-eminent, matchless, peerless, supreme, first-rate, first-class, superior, superlative, splendid, admirable, worthy, sterling, fine
      View synonyms
    2. 3.2 Used to express acceptance or agreement.
      ‘if people want to freak out at our clubs, that's cool’
  • 4a cool —informal Used to emphasize a specified quantity or amount, especially of money.

    ‘a cool $15,000 to buy the franchise’
    • ‘It’s got a top speed of 185 and would cost you a cool £110,000 to drive off the forecourt.’
    • ‘Belfast’s bid to become the European Capital of Culture in 2008 could cost a cool £150 million’
    • ‘A two-piece suit from this guy comes in at a cool two grand, so is unlikely to be realistic unless I win the lottery.’

noun

  • 1the coolA fairly low temperature.

    ‘the cool of the night air’
    • ‘It was night now, I could feel the cool of night in the air, and smell it in the breeze.’
    • ‘She sat well back from the fire; the night cool had not set in yet.’
    • ‘There, we fished the ocean from the beaches, waiting until the sunbathers had cooked themselves enough first and the evening cool arrived.’
    • ‘Again, Saoirse shivered pleasantly, enjoying the cool of his hands against her warm, humming skin.’
    • ‘Emma was shocked at the electricity that had passed between them, an instant heat despite the cool of the June night.’
    • ‘In the summer he is sheltered from heat and flies during the day while turning out at evening to enjoy the cool.’
    • ‘All was forgotten in the evening cool of the Greek capital for a few hours at least.’
    • ‘Pushing back the sheets, Loraine lay on her back, staring about at the shadowed room in the pale cool of night.’
    chill, chilliness, coldness
    View synonyms
    1. 1.1 A time or place at which the temperature is pleasantly low.
      ‘the cool of the evening’
      • ‘There were plenty of choices and in the cool of the evening it was inviting to just sit there and enjoy.’
      • ‘That girl had walked with Carlos once down this avenue, once in the cool of the evening, to see a foreign film.’
      • ‘I wandered round the town yesterday evening, and it seemed as if everybody was out and about enjoying the relative cool of the evening.’
      • ‘What better way to end a hot summer's day than to sit back to enjoy the cool of the evening with the latest gripping novel.’
      • ‘Sometimes a few small boys are scrabbling about on a road or an old lady is sitting out in the cool of an evening.’
      • ‘She went outside to mooch around the garden in the cool of the night.’
      • ‘Greece is hot in the summer, so make like the locals: take long siestas, then stay up late, letting the kids play in the cool of the night while you linger in a taverna.’
      • ‘Autumn hits hard here and the windows are blurred in the cool of the night but over the mountains there is blue sky and promise of a warm day to burn away the mist.’
      • ‘In the cool of the evening, the inn was abuzz with activity.’
      • ‘Now that the sun has set and the cool of the evening has come, some of the warmth we absorbed is flowing back towards her.’
      • ‘Summers at Valley Forge are miserably hot and sticky - not at all like the breezy cool of the Kenyan highlands.’
      • ‘The lizards are active for several hours during the relative cool of morning and again in the early evening.’
      • ‘He is really on his way to pick berries, isn't he, in the cool of the morning.’
      • ‘As they sit at the openings of their tents in the cool of the summer evening, on the completion of a long journey, they break out into song.’
      • ‘He did not read it, nor even glance at it, but put it straight into the fire the slaves had so painstakingly built up against the cool of the evening.’
      • ‘With a bit of effort you rise from you seat and wander out into the cool of the night.’
      • ‘It's best then to fish in the cool of the dawn or even at night when they are actively on the rampage.’
      • ‘In the cool of the evening I made my way back to the Ramblas, and took up station among the buzzing crowds for the Giants' Parade.’
      • ‘In the cool of the evening as the day winds down, they gather again for a cold beer or a Pernod.’
      • ‘Shivering in the cool of the night, she wrapped her arms around her, running her hands along the goosebumps on her arms.’
  • 2Calmness; composure.

    ‘he recovered his cool and then started laughing at us’
    • ‘His point guard play is a picture of composure and cool.’
    • ‘Jason was shocked, he had never seen Vanessa lose her cool and show an emotion.’
    • ‘Losing her temper and cool with the various journalists tasked to interview her seemed only to increase the public's antipathy towards her as a mother.’
    • ‘What it's all about really is keeping your cool under pressure in the sunny days ahead.’
    • ‘Hopefully, he'll recover his stony-faced cool in time to thwart the intergalactic threat.’
    • ‘For all her cool and calmness, she liked insulting my older brother.’
  • 3The quality of being fashionably attractive or impressive.

    ‘all the cool of high fashion’
    • ‘Now Giorgio Armani, one of the world's most influential fashion designers, is bringing his unique brand of Italian cool to Edinburgh.’
    • ‘Topshop was one of the pioneers of turning catwalk cool into high street hip, and it has been hailed as Fashion Retailer Of The Year, not once but twice.’
    • ‘Casual fashion from the 70s and 80s is the latest street cool, apparently.’

verb

  • 1Become or cause to become less hot.

    no object ‘we dived into the river to cool off’
    with object ‘cool the pastry for five minutes’
    figurative ‘his feelings for her took a long time to cool’
    • ‘Remove the cake from its tin and leave to cool on a cooling rack.’
    • ‘I'll return to the tidying and cataloguing when the weather cools down a bit.’
    • ‘It started to cool off today, at last, much to Dolly's relief.’
    • ‘Remove from the oven and set aside to cool in the tin.’
    • ‘If the weather is a bit warm, do the baking earlier and let the vegetables and cheese cool to room temperature before serving.’
    • ‘The temperatures rarely reach into the 90s during the day and cool off dramatically at night.’
    • ‘The weather was beginning to cool, and the wind was blowing gently throughout the bushes and trees.’
    • ‘After they had cooled off in the sea, everyone walked over to the rocky side of the shore.’
    • ‘Remove from heat once this temperature is reached, cool and store for use as needed.’
    • ‘Turn out on a rack to cool completely, then chill for at least two hours before serving.’
    • ‘Some were using the fountains to cool off because it was so hot!’
    • ‘It was scorching hot and, at some point in the afternoon when we'd all drunk a lot, some of the lads decided that it was time to cool off in the pool.’
    • ‘At the end of the treatment, the samples were rapidly cooled to room temperature.’
    • ‘The downpour cooled off the searing heat but failed to ease the city's looming water shortage.’
    • ‘You couldn't imagine a hotter location during the day, but at night it cooled off.’
    • ‘The molten lava in contact with the air cools quickly to form a skin over the flow.’
    • ‘We let these cool on the cooling rack and we made the icing.’
    • ‘The weekend's fine weather was good news for Yorkshire's tourist industry and, of course, the baking heat sent many in search of ways to cool off.’
    • ‘While humans try to cool off under the fan and the more fortunate in air-conditioned rooms, the wild and domestic animals are not so lucky.’
    • ‘Drain, reserving one cup cooking liquid, and cool to room temperature.’
    chill, refrigerate, make cold, make colder
    get cold, get colder, cool down, lose heat
    View synonyms
    1. 1.1 Become or cause to become calm or less excited.
      no object ‘after I'd cooled off, I realized I was being irrational’
      with object ‘George was trying to cool him down’
      • ‘Maybe by the time school let out and she came home from work she would have cooled off a bit.’
      • ‘I am just going to take a month off to give him time to cool off a little and think twice about his insane plan.’
      • ‘Vicky breathed in the calm night air, but no amount of tranquility could cool her off.’
      • ‘But at least with letters you have time to cool off or sober up before you send an insulting missive winging through the ether.’
      • ‘Jean had hopefully cooled off from this morning, and Roger didn't want to anger her again by being late.’
      • ‘Eventually some of the remarks got a bit unpleasant and the ability to comment was temporarily suspended to allow everyone time to cool off.’
      • ‘We literally had to pin him down until he cooled off.’
      • ‘The agreement appeared to cool off tempers among local pensioners, as no rallies were reported in the Moscow region on Thursday.’
      • ‘Try not to bold it against her if she needs more time than you to cool off.’
      • ‘Antony drove them back to the shed, he had cooled off a bit, and was in the process of changing the subject.’
      • ‘We well understood that it was to cool us down, to take the wind out of our sails.’
      • ‘Mr Smith said that the drivers could have walked out on Christmas Eve but had decided to choose New Year's Day to give all parties a chance to cool off.’
      • ‘He would allow her to come back to him after she cooled off, and he would say nothing of it.’
      • ‘By the time lunch came around Aliena had cooled down and was hoping she stayed that way.’
      • ‘They eventually calmed me down a bit, told me to leave the area and cool off.’
      • ‘By time he had gotten his food and sat down at a table in the corner, he had cooled off a bit.’
      • ‘"He is quick to anger, but he cools down very fast, " said an association office bearer.’
      • ‘Just don't let it warm your heart so much that you let your anger cool.’
      • ‘There is need to cool off our tempers and stop fanning the embers of dissent and revolt for united we shall stand and divided we shall surely fall.’
      • ‘The police were called to restore calm as Lee cooled down in the changing rooms.’
      calm down, recover one's self-control, regain one's self-control, recover one's composure, regain one's composure, compose oneself, control oneself, pull oneself together, simmer down
      View synonyms
    2. 1.2cool down Recover from strenuous physical exertion by doing gentle stretches and exercises; warm down.
      • ‘All the teams ran up to the pavilion to get some Gatorade and cool down before the next game began.’
      • ‘Always warm up before activity, stretch gently and cool down at the end of exercise.’
      • ‘It also features a warm up and cool down section, lasting six minutes each.’
      • ‘He had just finished sparring, and was doing a little freestyle to cool down a bit.’
      • ‘Just as Bethany began to tell her story, the team was ordered back into the pool for a cool down set.’
      • ‘Before and after the test, be sure to walk for several minutes to let your body warm up and cool down.’

Phrases

  • keep (or lose) one's cool

    • informal Maintain (or fail to maintain) a calm and controlled attitude.

      • ‘William somehow managed to keep his cool and retain control of their car.’
      • ‘We'll teach you how to keep your cool and stay calm in tight situations.’
      • ‘There are two kinds: people who freak out, and people who keep their cool.’
      • ‘The next time something is pushing you to the boiling point, stop and think before you lose your cool and blow up.’
      • ‘Despite the fact that he was vastly outnumbered John never lost his cool, stayed calm and came away with a deserved victory.’
      • ‘He has kept remarkably calm, refusing to lose his cool in the face of constant provocation.’
      • ‘She had to stay calm and keep her cool before the match.’
      • ‘He's trying to get control by making me lose my cool.’
      • ‘Jake was cowering under the bridge, shivering, and panting, but trying to keep his cool and not blow his cover.’
      • ‘I finally lost my cool and told a youngster who'd been particularly loud and obnoxious to sit down and be quiet or I'd have him removed by theater staff.’
      become very angry, fly into a rage, explode, blow up, erupt, lose control, go berserk, breathe fire, begin to rant and rave, flare up, boil over
      View synonyms
  • cool it

    • informal usually in imperativeBehave in a less excitable manner.

      ‘“Cool it and tell me why you're so ecstatic.”’
      • ‘If you're not careful you'll be too tired to even lift the crown, cool it!’
      • ‘I got a certificate saying I've been admitted to the bar, and I've even got a wig, so cool it!’
      • ‘I ask him to cool it, but he doesn't calm down that easily, so I think it's about something else.’

Origin

Old English cōl (noun), cōlian (verb), of Germanic origin; related to Dutch koel, also to cold.

Pronunciation

cool

/ko͞ol//kul/