Temperature:
* Literally: Having a low temperature, often pleasantly so. ("It's cool outside today.")
Social and Emotional:
* Approving: Something is good, impressive, or fashionable. ("That's a cool new phone.")
* Calm and Relaxed: Someone is composed, not easily upset, or not showing their emotions. ("Stay cool, everything will be alright.")
* Unconcerned: Someone is indifferent or not bothered. ("I'm cool with whatever you decide.")
* Stylish: A person or thing is attractive, fashionable, or contemporary. ("He's got a cool haircut.")
Other Meanings:
* To reduce the temperature: ("Cool the soup down before serving.")
* To become less intense: ("Cool your anger.")
* To become less active: ("The computer is cooling down after being used.")
Slang and Informal:
* Impressive: A person or thing is amazing or worthy of admiration. ("That was a cool trick!")
* Great: A positive adjective for almost anything. ("We had a cool time at the party.")
It's important to consider the context of the sentence to understand the intended meaning of "cool."