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

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).

Discover everything about the word "COOL" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

Learn what Cool means, how people use it in real conversations, and where it comes from. Clear explanations, examples, and synonyms in one place.

COOL meaning: 1 : somewhat cold not warm or hot; 2 : made of a light, thin material that helps you stay cool

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

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