cool
cool is a valid 4-letter word worth 6 points in Scrabble and 8 points in Words with Friends.
What does cool mean?
Great coolness and composure under strain.
“keep your cool”
The quality of being at a refreshingly low temperature.
“the cool of early morning”
Psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike.
“relations were cool and polite”
“a cool reception”
Used of a quantity or amount (especially of money) for emphasis.
“a cool million bucks”
Marked by calm self-control (especially in trying circumstances); unemotional.
“play it cool”
“keep cool”
Being satisfactory or in satisfactory condition.
Fashionable and attractive at the time; often skilled or socially adept.
“he's a cool dude”
“that's cool”
Inducing the impression of coolness; used especially of greens and blues and violets when referring to color.
“cool greens and blues and violets”
“the cool sound of rushing water”
Neither warm nor very cold; giving relief from heat.
“a cool autumn day”
“a cool room”
Make cool or cooler.
Loose heat.
“The air cooled considerably after the thunderstorm”
Lose intensity.
“His enthusiasm cooled considerably”