cooler

/ˈkuːlər/
noun
  1. A container or device used to keep food and drinks cold, especially for picnics or travel.
    • We packed sandwiches and sodas in the cooler for our beach trip.
    • Don't forget to put the ice packs in the cooler before adding the drinks.
    • The cooler kept the milk fresh all day during the camping trip.
  2. A device or system that lowers the temperature of something, such as a room or engine.
    • We installed a new air cooler in the living room to beat the summer heat.
    • The car's oil cooler helps prevent the engine from overheating.
    • The computer has a liquid cooler to keep the processor from getting too hot.
  3. A prison or jail cell (informal).
    • The thief spent the night in the cooler after being arrested.
    • He was thrown in the cooler for starting a fight.
    • If you break the rules, you might end up in the cooler.
  4. A person or thing that is very impressive or excellent (slang, often used in the phrase 'that's a cooler').
    • She showed off her dance moves, and everyone agreed she was a cooler.
    • His new car is a total cooler.
    • That new skateboard trick is a real cooler.
adjective
  1. Comparative form of cool; more cool in temperature.
    • I prefer a cooler room for sleeping.
    • The weather today is cooler than yesterday.
    • The water in the mountain stream is much cooler than the lake.
  2. More calm, relaxed, or fashionable (informal).
    • She is cooler under pressure than her brother.
    • He tried to act cooler than everyone else at the party.
    • That jacket is cooler than the one you wore yesterday.
Antonyms
What does "cooler" mean? | whatsthatwordmean | whatsthatwordmean