- 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 cool
It’s cool because Trenchmouth opened for Green Day in the early ‘90s in Wisconsin.Coffee Talk with Fred Armisen: On ‘Portlandia,’ Meeting Obama, and Taylor Swift’s Greatness
January 7, 2015
Triton prices the 1000/3 LP at a cool $3.15 million—inclusive of pilot training.The Most Exciting New Hotels, Restaurants, and Submarines of 2014
December 29, 2014
Allow beans to cool completely then remove to a paper towel-lined plate to dry.Make Carla Hall’s Crispy Shallot Green Bean Casserole
December 27, 2014
Cool, yes, though not quite as cool as the cyborg cockroaches you can control from your smartphone.Meet Our Animal Robot Overlords
December 26, 2014
For their trip to New Orleans against Alabama, Ohio State is bringing in a cool $17 million.Is Any College Football Coach Worth $60 Million? Jim Harbaugh Is
December 20, 2014
Cool enough to handle and then remove the skin and the roots.Woman's Institute Library of Cookery, Vol. 3
Woman's Institute of Domestic Arts and Sciences
Cool and then add the sirup to the cider and the juice of the lemons.Woman's Institute Library of Cookery, Vol. 4
Woman's Institute of Domestic Arts and Sciences
Remove from the stove, allow them to cool, and serve with cream.
He too had been almost angry, only by nature he was cool and even good-tempered.Weighed and Wanting
When cool, this solidifies and may be served in attractive ways.
- 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 cool
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.