Of a person, knowing what to do and how to behave; considered popular by others.
Of an action, all right; acceptable; that does not present a problem.
Calmly audacious.
Allowing or suggesting heat relief.
Very interesting or exciting.
(followed by with) Able to tolerate; to be fine with.
(of an act or situation) annoying, irritating.
(of a pair of people) holding no grudge against one another; having no beef.
Having a slightly low temperature; mildly or pleasantly cold.
Of a person, not showing emotion; calm and in control of oneself.
Applied facetiously to a sum of money, commonly as if to give emphasis to the largeness of the amount.
In fashion and fancy, part of or befitting the most leading trends and habits of the in crowd; originally hipster slang.
Of a color, in the range of violet to green.
Unenthusiastic, lukewarm, skeptical.
To lose heat, to get colder.
To make cooler, less warm.
To make less intense, e.g. less amicable or passionate.
To kill.
To become less intense, e.g. less amicable or passionate.
A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness.
A calm temperament.
The property of being cool, popular or in fashion.
Of art or other things: appealing to the tastes of an intellectual or sophisticated (sense 1) person; cerebral; also, cultured, elegant, refined.
Of a person: having obtained worldly experience, and lacking naiveté; cosmopolitan, worldly-wise.
Complicated, especially of complex technology.