- An example of cool is typical New England fall weather.
- An example of cool is the latest fashionable pair of jeans.
- moderately cold; neither warm nor very cold
- tending to reduce discomfort in warm or hot weather: cool clothes
- not excited; calm; composed: cool in an emergency
- marked by control of the emotions; restrained: cool jazz
- Informal emotionally uninvolved; uncommitted; dispassionate
- showing dislike or indifference; not cordial: a cool manner
- calmly impudent or bold
- not suggesting warmth: said of colors in the blue-green end of the spectrum
- Slang very good, pleasing, etc.; excellent
- Slang in agreement or accord
Origin of coolMiddle English and Old English col from Indo-European base an unverified form gel-, cold, to freeze from source chill, cold, Classical Latin gelu
- a cool place, time, thing, part, etc.: the cool of the evening
- Slang cool, dispassionate attitude or manner
Origin of coolME colien < OE colian, to cool
- to lower the body temperature, pulse, etc. after vigorous exercise
- to become less heated, passionate, agitated, angry, etc.
- to calm down
- to lose enthusiasm, interest, etc.
play it cool
- Neither warm nor very cold; moderately cold: fresh, cool water; a cool autumn evening.
- Giving or suggesting relief from heat: a cool breeze; a cool blouse.
- Marked by calm self-control: a cool negotiator.
- Marked by indifference, disdain, or dislike; unfriendly or unresponsive: a cool greeting; was cool to the idea of higher taxes.
- Of, relating to, or characteristic of colors, such as blue and green, that produce the impression of coolness.
- Slang a. Knowledgeable or aware of the latest trends or developments: spent all his time trying to be cool.b. Excellent; first-rate: has a cool sports car; had a cool time at the party.c. Acceptable; satisfactory: It's cool if you don't want to talk about it.
- Slang Entire; full: worth a cool million.
verbcooled, cool·ing, cools
- To make less warm.
- To make less ardent, intense, or zealous: problems that soon cooled my enthusiasm for the project.
- Physics To reduce the molecular or kinetic energy of (an object).
- To become less warm: took a dip to cool off.
- To become calmer: needed time for tempers to cool.
- A cool place, part, or time: the cool of early morning.
- The state or quality of being cool.
- Composure; poise: “Our release marked a victory. The nation had kept its cool” ( Moorhead Kennedy )
Origin of coolMiddle English cole from Old English cōl ; see gel- in Indo-European roots.
(comparative cooler, superlative coolest)
- Having a slightly low temperature; mildly or pleasantly cold.
- Allowing or suggesting heat relief.
- a cool grey colour
- Of a person, not showing emotion, calm and in self-control.
- Unenthusiastic, lukewarm, skeptical.
- His proposals had a cool reception.
- Calmly audacious.
- In control as always, he came up with a cool plan.
- (informal) Of a person, knowing what to do and how to behave; considered popular by others.
- (informal) In fashion, part of or fitting the in crowd; originally hipster slang.
- (informal) Of an action, all right; acceptable; that does not present a problem.
- Is it cool if I sleep here tonight?
- (informal) A dismissal of a comment perceived as boring or pointless.
- Ok, that's cool man, but I don't care.
- Cool story bro.
- (informal) Of a person, not upset by circumstances that might ordinarily be upsetting.
- I'm completely cool about my girlfriend leaving me.
- Applied facetiously to a sum of money, commonly as if to give emphasis to the largeness of the amount.
From Middle English, from Old English cōl (“cool, cold, tranquil, calm”), from Proto-Germanic *kōlaz, *kōlijaz (“cool”), from Proto-Indo-European *gelǝ- (“cold”). Cognate with Dutch koel (“cool”), German kühl (“cool”). Related to cold.
(third-person singular simple present cools, present participle cooling, simple past and past participle cooled)
- (literally intransitive) To lose heat, to get colder.
- I like to let my tea cool before drinking it so I don't burn my tongue.
- To make cooler, less warm
- (figuratively, intransitive) To become less intense, e.g. less amicable or passionate.
- Relations cooled between the USA and the USSR after 1980.
- To make less intense, e.g. less amicable or passionate.
From Middle English colen, from Old English cōlian (“to cool, grow cold, be cold”), from Proto-Germanic *kōlēną (“to become cold”), from Proto-Indo-European *gel- (“to freeze”). Cognate with Dutch koelen (“to cool”), German kühlen (“to cool”), Swedish, häftig (“cool”)kyla (“to cool, refrigerate”). Also partially from Middle English kelen, from Old English cēlan (“to cool, be cold, become cold”), from Proto-Germanic *kōlijaną (“to cool”), altered to resemble the adjective cool. See keel.
cool - Computer Definition
A family of tools from Sterling Software for modeling and developing enterprise applications for every major hardware platform. Later owned and marketed by Computer Associates (CA), which purchased Sterling Software in 2000, the product line continues to provide business and data modeling for the enterprise. Look for the COOL products under the CA name of "Advantage Developer Series."