Spent all his time trying to be cool.
It's cool if you don't want to talk about it.
Has a cool sports car; had a cool time at the party.
Worth a cool million.
Play it cool.
Took a dip to cool off.
Needed time for tempers to cool.
Problems that soon cooled my enthusiasm for the project.
The cool of early morning.
A cool manner.
Cool in an emergency.
The cool of the evening.
Ok, that's cool man, but I don't care.
Cool story bro.
I'm completely cool about my girlfriend leaving me.
In the cool of the morning.
I like to let my tea cool before drinking it so I don't burn my tongue.
Fresh, cool water; a cool autumn evening.
A cool breeze; a cool blouse.
A cool negotiator.
A cool greeting; was cool to the idea of higher taxes.
An example of cool is typical New England fall weather.
An example of cool is the latest fashionable pair of jeans.