Definition of coolnext
1
2
3
4
5
6
as in downtown
slang keenly aware of and responsive to the latest developments especially in fashion and entertainment a Greek island that's the current favorite of the cool crowd

Synonyms & Similar Words

Antonyms & Near Antonyms

7

cool

2 of 3

verb

1
as in to chill
to cause to lose heat cool your drinks in the icy mountain stream

Synonyms & Similar Words

Antonyms & Near Antonyms

2
as in to hush
to become still and orderly after the recess, tempers had cooled, and we could have a civil, rational discussion

Synonyms & Similar Words

Antonyms & Near Antonyms

cool

3 of 3

noun

1
2
3

Synonym Chooser

How is the word cool different from other adjectives like it?

Some common synonyms of cool are collected, composed, imperturbable, nonchalant, and unruffled. While all these words mean "free from agitation or excitement," cool may imply calmness, deliberateness, or dispassionateness.

kept a cool head

Where would collected be a reasonable alternative to cool?

The words collected and cool can be used in similar contexts, but collected implies a concentration of mind that eliminates distractions especially in moments of crisis.

the nurse stayed calm and collected

When is composed a more appropriate choice than cool?

While in some cases nearly identical to cool, composed implies freedom from agitation as a result of self-discipline or a sedate disposition.

the composed pianist gave a flawless concert

When can imperturbable be used instead of cool?

Although the words imperturbable and cool have much in common, imperturbable implies coolness or assurance even under severe provocation.

the speaker remained imperturbable despite the heckling

When is it sensible to use nonchalant instead of cool?

The meanings of nonchalant and cool largely overlap; however, nonchalant stresses an easy coolness of manner or casualness that suggests indifference or unconcern.

a nonchalant driver

When might unruffled be a better fit than cool?

In some situations, the words unruffled and cool are roughly equivalent. However, unruffled suggests apparent serenity and poise in the face of setbacks or in the midst of excitement.

harried but unruffled

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of cool
Adjective
Plus, the breathable, moisture-wicking fabric keeps you cool on warmer days. Mia Huelsbeck, PEOPLE, 30 Aug. 2026 Ahead, how to style granny skirts and heeled ballerinas together like all the cool girls will be doing this fall. Georgia Brown, Glamour, 29 Aug. 2026
Verb
Allow a hair dryer to cool down before switching attachments, since the end of the hair dryer can get very hot after use. Bestreviews, Mercury News, 24 Aug. 2026 Collins Aerospace has completed altitude testing of a new power and cooling system designed to give the F-35 more thermal capacity for future technology upgrades. Aamir Khollam, Interesting Engineering, 24 Aug. 2026
Noun
Tom Hill / Getty Images The band's rock-chic cool played well on the nascent MTV crowd and their videos, featuring models in short skirts emerging from one of Gibbons' custom roadsters, became a mainstay. CBS News, 18 Aug. 2026 The park is centered around the historic pool Knoebels Crystal Pool, which provides the perfect cool down on a hot summer day with 900,000 gallons of mountain stream water. Carly Caramanna, Travel + Leisure, 11 Aug. 2026 See All Example Sentences for cool
Recent Examples of Synonyms for cool
Adjective
  • This poplin maxi skirt is stylish, and its A-line cut can create a flattering silhouette on all body types.
    Jasmine Gomez, Travel + Leisure, 30 Aug. 2026
  • In the morning, stylish couples from Tokyo were arriving for a ski weekend in late May.
    Everett Potter, Forbes.com, 30 Aug. 2026
Adjective
  • Its real-time viewing feature can show the home environment and help distant family members feel more connected.
    Lyssanoel Frater, USA Today, 28 Aug. 2026
  • After some major modifications, it's set to begin its five-year mission peering at new supernovas, distant galaxies and planets orbiting stars outside our solar system.
    Berly McCoy, NPR, 28 Aug. 2026
Adjective
  • Mood stabilizers influence brain receptors that release and maintain neurotransmitters, calm overactive circuits and strengthen cellular connections over time.
    Jen Christensen, CNN Money, 29 Aug. 2026
  • As a priest, Lamb held a calm, patient and somewhat self-deprecating sense of perspective.
    Graham Womack, Sacbee.com, 29 Aug. 2026
Adjective
  • Loco is known for its casual and rustic atmosphere, barbecue comfort food and cold drinks.
    Ella Gonzales, Fort Worth Star-Telegram, 26 Aug. 2026
  • Summer is typically the most expensive time to pick up a lease, with asking prices falling in colder months, according to historical Apartment List data.
    Mark Dee August 26, Idaho Statesman, 26 Aug. 2026
Adjective
  • There’s nothing wrong with a great scoop, but sometimes the weather calls for something lighter, icier and a little more unexpected.
    Lia Picard - For the AJC, AJC.com, 28 Aug. 2026
  • Posing next to co-star Sandra Bullock, the Australian star looked statuesque in a strapless column dress that was completely covered in icy mint sequins, which looked like scales.
    Lara Walsh, InStyle, 26 Aug. 2026
Adjective
  • As Detroit prepares to welcome thousands of people downtown for Grand Prix weekend, city leaders say public safety has been a months-long effort.
    Elaine Rojas-Castillo, CBS News, 28 May 2026
  • For sports travelers, that means the pregame meal does not have to be a chain restaurant, and the postgame dinner does not have to be downtown.
    Noel Burgess, Forbes.com, 11 May 2026
Adjective
  • And while the linebacker group is average, the secondary has a good foundation and the defensive line has enough depth and potential to be awesome.
    Austin Mock, New York Times, 25 Aug. 2026
  • There is a decent chance the winner of the American League West could finish with a losing record, which would be a first in MLB history, 110 percent awesome, and worthy of its own banner.
    Fort Worth Star-Telegram, Fort Worth Star-Telegram, 24 Aug. 2026
Verb
  • After all, the threat of punishing a school for signing a player could have the effect of chilling a market for that player and thereby harm him.
    Michael McCann, Sportico.com, 29 Aug. 2026
  • When your drink is halfway done, a server will swap out your glass for a fresh one chilled to 5 degrees.
    Tori Latham, Robb Report, 29 Aug. 2026

Browse Nearby Words

Cite this Entry

“Cool.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/cool. Accessed 31 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster