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

Here's our set of cool math games, practice problem generators and free online flash cards for Arithmetic through Algebra

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

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.

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).

The meaning of cool. Definition of cool. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

To make cool or cold; reduce the temperature of: as, ice cools water. To allay the warmth or heated feeling of; impart a sensation of coolness to; cause to feel cool.

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

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