Definition of cool
(Entry 1 of 4)
1 : moderately cold : lacking in warmth The plant grows best in cool climates.
2a : marked by steady dispassionate calmness and self-control a cool and calculating businessperson
b : lacking ardor or friendliness a cool impersonal manner
c of jazz : marked by restrained emotion and the frequent use of counterpoint
d : free from tensions or violence We used to fight, but we're cool now.
3 —used as an intensive a cool million dollars
4 : marked by deliberate effrontery or lack of due respect or discretion a cool reply
5 : facilitating or suggesting relief from heat a cool dress
6a of a color : producing an impression of being cool specifically : of a hue in the range violet through blue to green
cooled; cooling; cools
Definition of cool (Entry 2 of 4)
1 : to become cool : lose heat or warmth placed the pie in the window to cool —sometimes used with off or down
2 : to lose ardor or passion His anger cooled.
1 : to make cool : impart a feeling of coolness to cooled the room with a fan —often used with off or down A swim cooled us off a little.
2a : to moderate the heat, excitement, or force of : calm cooled her growing anger
b : to slow or lessen the growth or activity of —usually used with off or down wants to cool off the economy without freezing it — Newsweek
cool itcool one's heels
: to calm down : go easy The word went out to the young to cool it.— W. M. Young
: to wait or be kept waiting for a long time especially from or as if from disdain or discourtesy
Definition of cool (Entry 3 of 4)
1 : a cool time, place, or situation the cool of the evening
2a : absence of excitement or emotional involvement : detachment … must surrender his fine cool and enter the closed crazy world of suicide …— Wilfrid Sheed
3 : hipness
Definition of cool (Entry 4 of 4)
: in a casual and nonchalant manner play it cool
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