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COOL Definition & Meaning - Merriam-Webster
May 8, 2026 · cool, composed, collected, unruffled, imperturbable, nonchalant mean free from agitation or excitement. cool may imply calmness, deliberateness, or dispassionateness.
COOL | definition in the Cambridge English Dictionary
COOL meaning: 1. slightly cold: 2. slightly cold in a pleasant way: 3. used to describe a temperature that is…. Learn more.
Cool - definition of cool by The Free Dictionary
1. A cool place, part, or time: the cool of early morning. 2. The state or quality of being cool. 3. Composure; poise: "Our release marked a victory. The nation had kept its cool" (Moorhead Kennedy).
cool adjective - Definition, pictures, pronunciation and ...
cool (informal) used to show that you admire or approve of something, often because it is fashionable, attractive, or different: I think their new song's really cool.
cool, adj., adv., & int. meanings, etymology and more ...
cool, adj., adv., & int. meanings, etymology, pronunciation and more in the Oxford English Dictionary
Cool Definition & Meaning - YourDictionary
A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness. In the cool of the morning.