adjective

 

cold slightly cold, but not too cold

a cool breeze/day

 

good good, stylish, or fashionable

He looks really cool in those sunglasses.

 

calm calm and not emotional

She seemed cool and confident.

 

unfriendly unfriendly

 

verb

 

less hot to become less hot, or make something become less hot

Allow the bread to cool before slicing it.

 

less strong If emotions or relationships cool, or if something cools them, they become less strong.

 

noun

 

a cool temperature

the cool of the early morning