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Definitions

cool down

VERB
calm down
Synonyms
WEAK
chill out control oneself cool it cool off get hold of oneself go easy keep cool regain one's composure relax rest restrain oneself simmer down take it easy
VERB
confine
Synonyms
STRONGEST
constrain detain hinder imprison incarcerate jail restrain restrict
STRONG
bar bind bound cage circumscribe cool cramp delimit enslave fix hog-tie ice immure intern keep repress shorten
WEAK
hem in hold back put a lid on put away put on ice send up shut up
Antonyms
STRONGEST
free let go liberate release
STRONG
allow ignore increase loose loosen neglect open permit unbind unfasten
VERB
curb
Synonyms
STRONGEST
constrain contain control hamper hinder impede inhibit restrain suppress tame
STRONG
abstain bit bridle check deny fetter hobble hog-tie hold down ice leash manacle moderate muzzle refrain retard scrub shackle subdue tie withhold
WEAK
bottle up box in bring to screeching halt cool off entrammel hold back hold in keep lid on keep tight rein on rein in send up tie up
Antonyms
STRONGEST
advance aid allow assist encourage facilitate forward free help let go permit promote release
STRONG
go ahead incite indulge liberate loose loosen
WEAK
foster
VERB
restrict
Synonyms
STRONGEST
curb decrease define diminish hamper impede inhibit limit narrow reduce regulate restrain shorten
STRONG
bind bound chain check circumscribe constrict contain contract cramp delimit delimitate demarcate encircle enclose inclose moderate modify qualify shrink surround temper tether tie
WEAK
bottle up come down on demark hang up hem in hold back hold down keep within bounds keep within limits pin down prelimit put away put on ice send up shut in
Antonyms
STRONGEST
aid allow assist develop encourage enlarge expand extend free grow help increase lengthen raise
STRONG
let go liberate loose loosen open permit release stretch unbind unfasten unloose untie

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

You’d like to see things cool down, the mist cleared from the windows so they can see what’s close by.

From The Wall Street Journal • Mar. 26, 2026

It’s finally expected to cool down in Southern California this weekend after a scorching heat wave this week broke temperature records across the region.

From Los Angeles Times • Mar. 20, 2026

Traditionally, scientists believed the tin nucleus simply released neutrons to cool down, effectively losing any trace of the earlier beta decay event.

From Science Daily • Mar. 13, 2026

Mist tunnels, water machines and sun umbrellas helped cool down spectators at Melbourne Park.

From BBC • Jan. 24, 2026

Only occasionally does a hunk of it shoot up at just the right speed and cool down with the necessary swiftness to become a diamond.

From "A Short History of Nearly Everything" by Bill Bryson