Cool - definition of cool by The Free Dictionary cool - fashionable and attractive at the time; often skilled or socially adept; "he's a cool dude"; "that's cool"; "Mary's dress is really cool"; "it's not cool to arrive at a party too early"
What does cool mean? - Definitions. net Definition of cool in the Definitions net dictionary Meaning of cool What does cool mean? Information and translations of cool in the most comprehensive dictionary definitions resource on the web