cool, composed, collected, unruffled, imperturbable, nonchalant mean free from agitation or excitement. cool may imply calmness, deliberateness, or dispassionateness.

COOL definition: moderately cold; neither warm nor cold. See examples of cool used in a sentence.

cool adjective (CALM) C1 calm and not worried or frightened; not influenced by strong feeling of any kind:

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).

He managed to conduct interviews with the least cool global figure – his father, Prince Charles – and the most cool, Barack Obama, in a way that allowed them both to look as good as they could.

cool, adj., adv., & int. meanings, etymology, pronunciation and more in the Oxford English Dictionary

cool, adj., adv., & int. meanings, etymology and more | Oxford English ...

A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness. In the cool of the morning.

If you say that a person or their behavior is cool, you mean that they are calm and unemotional, especially in a difficult situation.

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.

While mining declined over time, Cool remained a quiet rural community. Today, it is known for its scenic location near the American River Canyon and serves as a gateway to outdoor activities, including hiking and horseback riding on the Western States Trail.