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Definitions

calm

[kahm, kahlm] / kɑm, kɑlm /
ADJECTIVE
peaceful, quiet (inanimate)
Synonyms
STRONGEST
cool harmonious low-key mild placid serene slow smooth soothing tranquil
STRONG
bucolic halcyon hushed pacific pastoral reposing still
WEAK
at a standstill at peace bland breathless breezeless in order inactive motionless quiescent reposeful restful rural stormless undisturbed unruffled waveless windless
Antonyms
STRONGEST
agitated excited harsh nervous rough uncool violent
WEAK
angry excitable fierce frenzied furious mad passionate roused ruffled stormy turbulent wild worried
ADJECTIVE
composed, cool (animate)
Synonyms
STRONGEST
aloof amiable amicable gentle impassive laid-back levelheaded moderate placid relaxed sedate serene temperate unflappable
STRONG
collected detached kind neutral patient pleased poised satisfied still
WEAK
civil cool as cucumber cool-headed disinterested dispassionate equable imperturbable inscrutable listless restful self-possessed unconcerned undisturbed unemotional unexcitable unexcited unimpressed unmoved unruffled untroubled
Antonyms
STRONGEST
agitated excessive excited immoderate nervous troubled uncontrolled unfriendly unreasonable upset violent wild
STRONG
biased
WEAK
angry excitable fierce frenzied furious mad passionate rough roused ruffled stormy turbulent worried
NOUN
quietness, composure
Synonyms
STRONGEST
calmness lull patience peace peace of mind quiet restraint serenity silence stillness tranquility
STRONG
dispassion doldrums hush impassivity peacefulness placidity repose rest stoicism
WEAK
imperturbation
Antonyms
STRONGEST
agitation clamor disturbance frustration loudness noise wildness
WEAK
anger madness restlessness storminess terror turbulence violence
VERB
make composed, quiet
Synonyms
STRONGEST
allay alleviate appease assuage cool mitigate mollify pacify placate quiet relax relieve settle soothe steady
STRONG
balm becalm compose hush lull quieten sedate soft pedal still stroke tranquilize
WEAK
cool it cool out lay back simmer down take it easy take the edge off
Antonyms
STRONGEST
aggravate agitate incite increase intensify irritate provoke trouble upset worry worsen
STRONG
excite
WEAK
anger disquiet distract inflame outrage rouse ruffle

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.

"There are many of us on both sides trying to calm down all those hotheads from both camps who enjoy spreading irresponsible claims, lots of 'fake news' and plenty of insults," Daouda said.

From Barron's • Apr. 3, 2026

Stephen Nesbitt’s Cliffwater is racing to calm investors after steep withdrawals.

From The Wall Street Journal • Apr. 1, 2026

“But also, I just wish people would calm down ... try to talk to us, try to engage with us and help de-escalate the situation, instead of making it worse.”

From Los Angeles Times • Apr. 1, 2026

"Even if the French do stop boats from crossing, the same people come back the next time there is a calm day," he added.

From BBC • Mar. 31, 2026

I have to keep her calm, Jonathan thought.

From "Earthquake Terror" by Peg Kehret

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.