Synonyms of cool in English:

cool


See definition of cool

adjective

1‘a cool, cloudy day’

SYNONYMS
chilly, cold
fresh, crisp, refreshing, invigorating, bracing, brisk
unheated, draughty
informal nippy
British informal parky
literary chill
ANTONYMS

warm, hot

2‘the proposal met with a cool response’

SYNONYMS
unenthusiastic, lukewarm, tepid, indifferent, apathetic, half-hearted, negative
unfriendly, distant, remote, aloof, cold, chilly, frosty, unwelcoming, inhospitable, unresponsive, uninterested, unconcerned, offhand, detached, impersonal, dispassionate, undemonstrative, uncommunicative, unfeeling, unemotional, emotionless
informal stand-offish, off, offish, unenthused
rare Olympian, gelid
ANTONYMS

enthusiastic, friendly

3‘no one could doubt his ability to keep cool in a crisis’

SYNONYMS
calm, cool, calm, and collected, composed, as cool as a cucumber, collected, cool-headed, level-headed, self-possessed, controlled, self-controlled, poised
serene, tranquil, relaxed, unruffled, unperturbed, unflustered, undisturbed, unagitated, unmoved, unbothered, untroubled
equable, even-tempered, imperturbable, placid, quiet, sedate, unexcitable, impassive, dispassionate, unemotional, phlegmatic, stolid
informal unflappable, unfazed, together, laid-back, chilled
North American informal nonplussed
rare equanimous
ANTONYMS

panic-stricken, agitated

4‘a cool lack of morality’

SYNONYMS
bold, audacious, nerveless
brazen, shameless, unabashed

5‘she thinks she's so cool’

SYNONYMS
fashionable, in fashion, in vogue, voguish, up to date, bang up to date, up to the minute, modern, all the rage, modish, trendsetting, stylish, chic
sophisticated, cosmopolitan, elegant, stylish, smart, chic, glamorous, classy, high-class, high-toned
attractive, appealing, impressive
le dernier cri
informal trendy, funky, with it, hip, in, the in thing, big, happening, now, sharp, swinging, hot, massive, mod, snazzy
North American informal kicky, kicking, tony, fly, stylin', spiffy, sassy
US informal on fleek, down
informal, dated, humorous groovy
British informal, dated all the go

noun

1‘the cool of the evening’

SYNONYMS
chill, chilliness, coldness
coolness, freshness, crispness
ANTONYMS

warmth

2‘Ken finally lost his cool and turned on her’

SYNONYMS
self-control, control, composure, self-command, self-possession, calmness, equanimity, equilibrium, calm, collectedness
aplomb, poise, sangfroid, presence of mind

verb

1‘cool the sauce in the fridge until you are ready to use it’

SYNONYMS
chill, refrigerate, make cold, make colder
ANTONYMS

heat

2‘allow the mixture to cool, stirring occasionally’

SYNONYMS
get cold, get colder, cool down, lose heat

3‘her reluctance to see him did nothing to cool his interest’

SYNONYMS
lessen, moderate, abate, diminish, reduce, dampen, pour cold water on
soothe, take the edge off, assuage, allay, mollify, temper, settle
ANTONYMS

inflame, arouse

4‘Simpson's ardour had cooled’

SYNONYMS
subside, lessen, diminish, decrease, abate, moderate, die down, fade, dwindle, wane
ANTONYMS

intensify

5‘after I'd cooled off, I realized I was being irrational’

SYNONYMS
calm down, recover one's self-control, regain one's self-control, recover one's composure, regain one's composure, compose oneself, control oneself, pull oneself together, simmer down
ANTONYMS

lose one's temper