Cool

English Meaning

Moderately cold; between warm and cold; lacking in warmth; producing or promoting coolness.

1. Neither warm nor very cold; moderately cold: fresh, cool water; a cool autumn evening.
2. Giving or suggesting relief from heat: a cool breeze; a cool blouse.
3. Marked by calm self-control: a cool negotiator.
4. Marked by indifference, disdain, or dislike; unfriendly or unresponsive: a cool greeting; was cool to the idea of higher taxes.
5. Of, relating to, or characteristic of colors, such as blue and green, that produce the impression of coolness.
6. Slang Excellent; first-rate: has a cool sports car; had a cool time at the party.
7. Slang Acceptable; satisfactory: It's cool if you don't want to talk about it.
8. Slang Entire; full: worth a cool million.
9. Informal In a casual manner; nonchalantly: play it cool.
10. To make less warm.
11. To make less ardent, intense, or zealous: problems that soon cooled my enthusiasm for the project.
12. Physics To reduce the molecular or kinetic energy of (an object).
13. To become less warm: took a dip to cool off.
14. To become calmer: needed time for tempers to cool.
15. A cool place, part, or time: the cool of early morning.
16. The state or quality of being cool.
17. Composure; poise: "Our release marked a victory. The nation had kept its cool” ( Moorhead Kennedy).
18. cool it Slang To calm down; relax.
19. cool it Slang To stop doing something.
20. cool (one's) heels Informal To wait or be kept waiting.