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.
(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. See entry at cooldown.
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.
Idioms about cool
- cool·ing·ly, adverb
- cool·ish, adjective
- cool·ly, adverb
- cool·ness, noun
- o·ver·cool, adjective
- o·ver·cool·ly, adverb
- o·ver·cool·ness, noun
- re·cool, verb
- sub·cool, verb (used with object)
- ul·tra·cool, adjective
- un·cooled, adjective
- well-cooled, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use cool in a sentence
When the materials revert back as the forces are released, it produces a temperature decrease that can then be exploited for cooling.How materials you’ve never heard of could clean up air conditioning | James Temple | November 12, 2020 | MIT Technology Review
Let cool completely on a wire rack before adding the filling to the crust.Dig into this fall-spice pudding pie nestled in a nut crust and topped with whipped cream | Erin Jeanne McDowell | November 12, 2020 | Washington Post
Transfer to a wire rack and let cool completely before filling.Decorate this caramel apple pie with festive, buttery pastry cutouts | Erin Jeanne McDowell | November 12, 2020 | Washington Post
If I blow up on my own, it’s cool, but my life doesn’t change at all.
This will prevent airborne pollutants from entering your home’s living space, while also extending the life of your heating and cooling equipment and helping it run at maximum efficiency.When to replace smoke detectors, sponges, pillows and more, according to experts | Daniel Bortz | November 10, 2020 | Washington Post
While the beans are cooling and drying, melt the butter in a saute pan over medium heat.Make Carla Hall’s Crispy Shallot Green Bean Casserole | Carla Hall | December 27, 2014 | THE DAILY BEAST
Rosina, when she saw me cooling, had no such merciful contraption ready.
Ironically, his quick recovery after such a room-cooling moment could still land him the gig.
Now they stripped down and loudly, laughingly dove into the cooling water.
The commandos want a single garment made of "reactive" fibers that will allow heating and cooling as temperatures vary.
It was a bad day to lie wounded and ill and a prisoner, and despite the cooling showers, it was a hot day to ride far and fast.The Red Year | Louis Tracy
Groups of young people milled around the “concession” which served the delicious cooling drinks.The Campfire Girls of Roselawn | Margaret Penrose
Newcomen's engine had the interior, as well as the exterior of the steam-cylinder exposed to the cooling atmosphere.Life of Richard Trevithick, Volume II (of 2) | Francis Trevithick
It is easy to see that the rate of this cooling would be in some proportion to the size of the sphere.Outlines of the Earth's History | Nathaniel Southgate Shaler
At first geologists were disposed to attribute all the phenomena of mountain-folding to the progressive cooling of the earth.Outlines of the Earth's History | Nathaniel Southgate Shaler
British Dictionary definitions for cool
moderately cold: a cool day
comfortably free of heat: a cool room
producing a pleasant feeling of coldness: a cool shirt
able to conceal emotion; calm: a cool head
lacking in enthusiasm, affection, cordiality, etc: a cool welcome
calmly audacious or impudent
informal (esp of numbers, sums of money, etc) without exaggeration; actual: a 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
coolness: the 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
- See also cool out
- coolingly, adverb
- coolingness, noun
- coolish, adjective
- coolly, adverb
- coolness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with cool
In addition to the idioms beginning with cool
- cool as a cucumber
- cool down
- cool it
- cool off
- cool one's heels
- cool out
- keep cool
- keep one's cool
- play it cool
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.