1. having a low temperature; not warm or hot
2. calm and not excited or emotional
3. fashionable or impressive in a way that people admire
Usage: informal

1. to become or make something less hot

1. a cool temperature or place

Examples

• The morning air felt cool against her skin.
• He stayed cool under pressure during the exam.
• That new skateboard is really cool!
• Let the soup cool before serving it.
• We sat in the cool of the evening shade.
• The cool breeze made the hot day bearable.
• She gave him a cool look when he arrived late.