- a container or apparatus, as an insulated chest, in which something may be cooled or kept cool.
- anything that cools or makes cool; refrigerant.
- an air conditioner.
- a tall drink, consisting of liquor, soda, and a fruit garnish.
- water cooler.
- the cooler, Slang. jail: He was in the cooler for three months for petty theft.
- Ice Hockey Slang. penalty box.
Origin of cooler
- moderately cold; neither warm nor cold: a rather cool evening.
- feeling comfortably or moderately cold: I'm perfectly cool, but open the window if you feel hot.
- imparting a sensation of moderate coldness or comfortable freedom from heat: a cool breeze.
- permitting such a sensation: a cool dress.
- not excited; calm; composed; under control: to remain cool in the face of disaster.
- not hasty; deliberate: a cool and calculated action.
- lacking in interest or enthusiasm: a cool reply to an invitation.
- lacking in warmth or cordiality: a cool reception.
- calmly audacious or impudent: a cool lie.
- aloof or unresponsive; indifferent: He was cool to her passionate advances.
- unaffected by emotions; disinterested; dispassionate: She made a cool appraisal of all the issues in the dispute.
- Informal. (of a number or sum) without exaggeration or qualification: a cool million dollars.
- (of colors) with green, blue, or violet predominating.
- great; fine; excellent: a real cool comic.
- characterized by great facility; highly skilled or clever: cool maneuvers on the parallel bars.
- socially adept: It's not cool to arrive at a party too early.
- acceptable; satisfactory; okay: If you want to stay late, that's cool.
- Informal. coolly.
- (used to express acceptance): Okay, cool! I'll be there at 10:00.
- (used to express approval, admiration, etc.): He got the job? Cool!
- something that is cool; a cool part, place, time, etc.: in the cool of the evening.
- calmness; composure; poise: an executive noted for maintaining her cool under pressure.
- to become cool (sometimes followed by down or off): The soup cooled in five minutes. We cooled off in the mountain stream.
- to become less ardent, cordial, etc.; become moderate.
- to make cool; impart a sensation of coolness to.
- to lessen the ardor or intensity of; allay; calm; moderate: Disappointment cooled his early zealousness.
- cool down, to bring the body back to its normal physiological level after fast, vigorous exercise or activity by gradually slowing the pace of activity or by doing gentle exercises or stretches.
- cool off, Informal. to become calmer or more reasonable: Wait until he cools off before you talk to him again.
- cool out, Slang. to calm or settle down; relax: cooling out at the beach.
Origin of cool
SynonymsSee more synonyms on Thesaurus.com
Examples from the Web for cooler
We were able, hopefully, to educate those policy makers… As of December of this year, cooler heads have prevailed.SWAT Lobby Shoots to Kill Police Reform After Ferguson
December 2, 2014
Some, like Norman Mailer, adopted the cooler pose of being casually interested in the possibility.The FBI’s Bogus ISIS Bust
November 21, 2014
When Apple Watch comes out early next year, it will be cooler and more relevant than any Rolex or Cartier.Will Apple Take Down the Luxury Watch Industry?
September 10, 2014
But the Upper East Side social scene is cooler and more enjoyable.Why the Upper East Side Is Now Cooler Than Brooklyn
September 2, 2014
One of the cooler parts of this movie was when Schmidt and Jenko go to Spring Break.Channing Tatum and Jonah Hill on ‘22 Jump Street,’ Penis Kissing, and Julie Andrews’s Boobs
June 10, 2014
The wind blew this day more from the northward, and was cooler.
And my head is much better and cooler, and I am quite comfortable.Little Dorrit
He walked to the end of the long hall to where the cooler stood.Frank Roscoe's Secret
The temperature was still high, but you could imagine it was cooler.L'Assommoir
I had no idea Portugal was ever as hot as this, but no doubt it is cooler on land.The Captain of the Pole-Star and Other Tales
Arthur Conan Doyle
- a container, vessel, or apparatus for cooling, such as a heat exchanger
- a slang word for prison
- a drink consisting of wine, fruit juice, and carbonated water
- moderately colda cool day
- comfortably free of heata cool room
- producing a pleasant feeling of coldnessa cool shirt
- able to conceal emotion; calma cool head
- lacking in enthusiasm, affection, cordiality, etca cool welcome
- calmly audacious or impudent
- informal (esp of numbers, sums of money, etc) without exaggeration; actuala cool ten thousand
- (of a colour) having violet, blue, or green predominating; cold
- (of jazz) characteristic of the late 1940s and early 1950s, economical and rhythmically relaxed
- informal sophisticated or elegant, esp in an unruffled way
- informal excellent; marvellous
- not standard in a cool manner; coolly
- coolnessthe cool of the evening
- slang calmness; composure (esp in the phrases keep or lose one's cool)
- slang unruffled elegance or sophistication
- (usually foll by down or off) to make or become cooler
- (usually foll by down or off) to lessen the intensity of (anger or excitement) or (of anger or excitement) to become less intense; calm down
- cool it (usually imperative) slang to calm down; take it easy
- cool one's heels to wait or be kept waiting
Word Origin and History for cooler
1570s, "a vessel in which something is set to cool," agent noun from cool (v.). Meaning "insulated box to keep things cool" is from 1958. Slang meaning "jail" is attested from 1884.
Old English col "not warm" (but usually not as severe as cold), also, of persons, "unperturbed, undemonstrative," from Proto-Germanic *koluz (cf. Middle Dutch coel, Dutch koel, Old High German kuoli, German kühl "cool," Old Norse kala "be cold"), from PIE root *gel- "cold, to freeze" (see cold (adj.)).
Applied since 1728 to large sums of money to give emphasis to amount. Meaning "calmly audacious" is from 1825. Slang use for "fashionable" is 1933, originally Black English; modern use as a general term of approval is from late 1940s, probably from bop talk and originally in reference to a style of jazz; said to have been popularized in jazz circles by tenor saxophonist Lester Young. Related: Coolly.
c.1400, "coldness, coolness," from cool (adj.). Meaning "one's self-control, composure" (the thing you either keep or lose) is from 1966.
Old English colian, "to lose warmth," also figuratively, "to lose ardor," from the root of cool (adj.). Meaning "to cause to lose warmth" is from late 14c. Related: Cooled; cooling.