1. [noun] (uncountable) The state of being cool, as in chilly.
2. [noun] (countable) The result or product of being cool, as in chilly.
3. [noun] (slang) (uncountable) The state of being cool, as in good or pleasing.
4. [noun] (slang) (countable) The result or product of being cool, as in good or pleasing.
5. [noun] Calm and unruffled self-assurance; 'he performed with all the coolness of a veteran'.
6. [noun] The property of being moderately cold; 'the chilliness of early morning'.
7. [noun] Fearless self-possession in the face of danger.
8. [noun] A lack of affection or enthusiasm; 'a distressing coldness of tone and manner'.
