cool

[kool]

adjective

cooler, coolest 

1. moderately cold; neither warm nor cold.

   a rather cool evening.

   Antonyms: warm, warm, warm, warm, warm

2. feeling comfortably or moderately cold.

   I'm perfectly cool, but open the window if you feel hot.

3. imparting a sensation of moderate coldness or comfortable freedom from heat.

   a cool breeze.

   Antonyms: warm, warm, warm, warm, warm

4. permitting such a sensation.

   a cool dress.

   Antonyms: warm, warm, warm, warm, warm

5. not excited; calm; composed; under control.

   to remain cool in the face of disaster.

   Synonyms: quiet, placid, unruffled, self-possessed, collected

6. not hasty; deliberate.

   a cool and calculated action.

7. lacking in interest or enthusiasm.

   a cool reply to an invitation.

   Synonyms: lukewarm, remote, reserved, apathetic, distant
   Antonyms: warm, warm, warm, warm, warm

8. lacking in warmth or cordiality.

   a cool reception.

   Synonyms: lukewarm, remote, reserved, apathetic, distant
   Antonyms: warm, warm, warm, warm, warm

9. calmly audacious or impudent.

   a cool lie.

10. aloof or unresponsive; indifferent.

    He was cool to her passionate advances.

11. unaffected by emotions; disinterested; dispassionate.

    She made a cool appraisal of all the issues in the dispute.

12. Informal.,  (of a number or sum) without exaggeration or qualification.

    a cool million dollars.

13. (of colors) with green, blue, or violet predominating.

14. Slang.

    1. great; fine; excellent.

       a real cool comic.

    2. characterized by great facility; highly skilled or clever.

       cool maneuvers on the parallel bars.

    3. socially adept.

       It's not cool to arrive at a party too early.

    4. acceptable; satisfactory; okay.

       If you want to stay late, that's cool.

adverb

1. Informal.,  coolly.

interjection

1. Slang.

   1. (used to express acceptance).

      Okay, cool! I'll be there at 10:00.

   2. (used to express approval, admiration, etc.).

      He got the job? Cool!

noun

1. something that is cool; a cool part, place, time, etc..

   in the cool of the evening.

2. coolness.

3. calmness; composure; poise.

   an executive noted for maintaining her cool under pressure.

verb (used without object)

1. to become cool (sometimes followed by down oroff ).

   The soup cooled in five minutes. We cooled off in the mountain stream.

2. to become less ardent, cordial, etc.; become moderate.

verb (used with object)

1. to make cool; impart a sensation of coolness to.

2. to lessen the ardor or intensity of; allay; calm; moderate.

   Disappointment cooled his early zealousness.

   Synonyms: abate, temper

verb phrase

1. cool off,  to become calmer or more reasonable.

   Wait until he cools off before you talk to him again.

2. cool down.,  cooldown.

3. cool out,  to calm or settle down; relax.

   cooling out at the beach.

cool

/ kuːl /

adjective

1. moderately cold

   a cool day

2. comfortably free of heat

   a cool room

3. producing a pleasant feeling of coldness

   a cool shirt

4. able to conceal emotion; calm

   a cool head

5. lacking in enthusiasm, affection, cordiality, etc

   a cool welcome

6. calmly audacious or impudent

7. informal,  (esp of numbers, sums of money, etc) without exaggeration; actual

   a cool ten thousand

8. (of a colour) having violet, blue, or green predominating; cold

9. (of jazz) characteristic of the late 1940s and early 1950s, economical and rhythmically relaxed

10. informal,  sophisticated or elegant, esp in an unruffled way

11. informal,  excellent; marvellous

adverb

1. not_standard,  in a cool manner; coolly

noun

1. coolness

   the cool of the evening

2. slang,  calmness; composure (esp in the phrases keep or lose one's cool )

3. slang,  unruffled elegance or sophistication

verb

1. to make or become cooler

2. to lessen the intensity of (anger or excitement) or (of anger or excitement) to become less intense; calm down

3. slang,  (usually imperative) to calm down; take it easy

4. to wait or be kept waiting

Other Word Forms

• coolness noun
• coolly adverb
• coolish adjective
• coolingly adverb
• coolingness noun
• overcool adjective
• overcoolly adverb
• overcoolness noun
• recool verb
• subcool verb (used with object)
• ultracool adjective
• uncooled adjective
• well-cooled adjective

Word History and Origins

Origin of cool¹

First recorded before 1000; Middle English col, coul, Old English cōl; cognate with Middle Low German kōl, Old High German kuoli, German kühl; cold, chill

Word History and Origins

Origin of cool¹

Old English cōl; related to Old Norse kōlna, Old High German kuoli; see _cold , _chill

Idioms and Phrases

Idioms

1. blow one's cool. blow.

2. cool one's heels. heel.

3. cool it, calm down; take it easy.

More idioms and phrases containing cool

• keep cool
• keep one's cool
• play it cool

Synonym Study

See cold. See calm.

Example Sentences

“We thought it was the coolest idea we had,” Tye says.

Read more on Los Angeles Times

The centers, full of equipment, generate lots of heat and can use large quantities of water to cool their servers and interiors.

Read more on Los Angeles Times

Natural gas futures rose, with weather forecasts pointing to a cool shot that would increase demand for heating in the U.S., at least for a couple of days this week.

Read more on The Wall Street Journal

Wage growth in the UK cooled slightly over the summer, as unemployment ticked up slightly.

Read more on BBC

And how cool that this is becoming mainstream!

Read more on Los Angeles Times

Related Words

• abate 
• calm 
• calm down www.thesaurus.com
• chill 
• chill out 
• quiet 
• quiet down www.thesaurus.com
• rein in 
• settle down 
• simmer down