noun

• (uncountable) The state of being cool, i.e. chilly.
• (countable) The result or product of being cool, i.e. chilly.
• (uncountable) The state of being cool, i.e. calm.
• Indifference; lack of passion or interest.
• (slang, uncountable) The state of being cool, i.e. good or pleasing.
• (slang, countable) The result or product of being cool, i.e. good or pleasing.