Meaning : The quality of being at a refreshingly low temperature.
The cool of early morning.
Meaning : Neither warm nor very cold. Giving relief from heat.
A cool autumn day.
A cool room.
Cool summer dresses.
A cool breeze.
Meaning : Inducing the impression of coolness. Used especially of greens and blues and violets when referring to color.
Cool greens and blues and violets.
The cool sound of rushing water.
Meaning : Psychologically cool and unenthusiastic. Unfriendly or unresponsive or showing dislike.
Relations were cool and polite.
A cool reception.
Cool to the idea of higher taxes.
Meaning : Being satisfactory or in satisfactory condition.
An all-right movie.
The passengers were shaken up but are all right.
Is everything all right?.
Things are okay.
Dinner and the movies had been fine.
Another minute I'd have been fine.
Meaning : Used of a quantity or amount (especially of money) for emphasis.
A cool million bucks.
Meaning : Fashionable and attractive at the time. Often skilled or socially adept.
He's a cool dude.
Mary's dress is really cool.
It's not cool to arrive at a party too early.