Cool | Mean of cool in English Dictionary

/ˈkuːl/

• somewhat cold
1. a cool breeze
2. The weather is cool today.
3. The surface is cool to the touch.
4. The plant grows best in cool climates.
5. I'm feeling a little cool.
6. a cool refreshing drink
7. It's cooler [=less warm or hot] in the shade.
8. This is the coolest [=least warm or hot] summer on record.
• made of a light, thin material that helps you stay cool
1. We changed into some cooler clothes.
• able to think and act in a calm way
1. It is important to keep a cool head in a crisis. = It is important to keep/stay cool in a crisis. [=it is important to remain calm in a crisis]
2. She remained calm, cool, and collected.
3. He is a cool customer. [=he is someone who remains calm and is not easily upset]
4. Even in the emergency, she remained as cool as a cucumber.
5. The reporter was cool as a cucumber despite the confusion all around her.

• not friendly
1. a cool reply
2. He replied with a cool “I don't think so.”
3. She was always cool toward strangers.
4. We were surprised by the cool reception we got.
• very fashionable, stylish, or appealing in a way that is generally approved of especially by young people
1. cool sunglasses
2. The car has a cool new look.
3. You look cool in those jeans.
4. a magazine article about the coolest places to live/work
5. Your brother is so cool.
6. That was a really cool [=good, excellent] movie.
7. “I got a job as a lifeguard this summer.” “Cool.”
• suggesting cool things
1. Blue and green are cool colors, but red and orange are warm colors.
• Verb
• to make (someone or something) cool
1. The fan cools the engine.
2. the cooling effect of the breeze
3. the car's cooling system
4. A swim cooled us off/down a little.
5. The rain should help to cool things off/down.
• to become cool
1. Allow the cake to cool before slicing.
2. the cooling of the ocean waters
3. We went for a swim to cool off/down.
4. The weather has cooled off/down a little.
• to become less strong or intense especially in emotion
1. I took a break from the discussion to allow my anger to cool.
2. His interest in her has cooled somewhat.
3. You need to cool off/down before I talk to you.
4. Their relationship has cooled off/down a bit.
• to make (an emotion) less strong or intense
1. He couldn't cool [=calm] his anger.
2. You need to cool off/down your anger.
• to stop being excited, angry, noisy, etc.
1. They were being too noisy, so he told them to cool it.
• to wait for someone or something
1. Passengers had no choice but to cool their heels when their flight was delayed yet again.
• Noun
• to remain calm
1. He kept/maintained his cool [=he didn't get angry or upset] even though it was clear that he was being unfairly treated.
• to suddenly become very angry
1. She rarely loses her cool. [=she controls her feelings well]
2. He lost his cool and yelled at me.
3. After listening patiently, he finally blew his cool.
• a cool time or place
1. It was good to be outdoors in the cool of the evening/night.
2. We relaxed in the cool of an air-conditioned room.
• in a calm manner
1. Here comes Mom. Act cool and she won't suspect a thing.
2. She didn't want to seem too eager, so she tried to play it cool. [=to pretend to be calm even though she wasn't feeling calm]