[kuːl], (Adjective)

Definitions:
- of or at a fairly low temperature
(e.g: it'll be a cool afternoon)

- showing no friendliness towards a person or enthusiasm for an idea or project
(e.g: he gave a cool reception to the suggestion for a research centre)

- fashionably attractive or impressive
(e.g: he made no concessions to fashion, yet somehow he was hip and cool)

- used to emphasize the size of an amount of money
(e.g: research for a new drug can cost a cool £50 million)


Phrases:
- cool it!
- cool one's heels
- keep one's cool
- lose one's cool
- too cool for school

Origin:
Old English cōl (noun), cōlian (verb), of Germanic origin; related to Dutch koel, also to cold

[kuːl], (Noun)

Definitions:
- a fairly low temperature
(e.g: the cool of the night air)

- calmness; composure
(e.g: he recovered his cool and then started laughing at us)

- the quality of being fashionably attractive or impressive
(e.g: all the cool of high fashion)


Phrases:
- cool it!
- cool one's heels
- keep one's cool
- lose one's cool
- too cool for school

Origin:
Old English cōl (noun), cōlian (verb), of Germanic origin; related to Dutch koel, also to cold

[kuːl], (Verb)

Definitions:
- become or make less hot
(e.g: we dived into the river to cool off)


Phrases:
- cool it!
- cool one's heels
- keep one's cool
- lose one's cool
- too cool for school

Origin:
Old English cōl (noun), cōlian (verb), of Germanic origin; related to Dutch koel, also to cold