Synonyms of calm in English:

calm


See definition of calm

adjective

1‘her voice was steady and she seemed very calm’

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

excited, upset, nervous

2‘the night was clear and calm’

SYNONYMS
windless, still, tranquil, quiet, serene, peaceful, pacific, undisturbed, restful, balmy, halcyon
ANTONYMS

windy, stormy

3‘the calm waters of the lake’

SYNONYMS
tranquil, still, like a millpond, smooth, glassy, flat, motionless, waveless, unagitated, storm-free
literary stilly
ANTONYMS

rough, stormy


noun

1‘in the centre of the storm, calm prevailed’

SYNONYMS
tranquillity, stillness, calmness, quiet, quietness, quietude, peace, peacefulness, serenity, silence, hush
restfulness, repose
ANTONYMS

violence, unrest

2‘his usual calm deserted him’

SYNONYMS
composure, coolness, calmness, self-possession, sangfroid, presence of mind, poise, aplomb, self-control
serenity, tranquillity, equanimity, imperturbability, equability, placidness, placidity, impassiveness, impassivity, dispassion, phlegm, stolidity
informal cool, unflappability
rare ataraxy, ataraxia
ANTONYMS

anxiety


verb

1‘I took him inside and tried to calm him down’

SYNONYMS
soothe, pacify, placate, mollify, appease, conciliate
hush, lull, gentle, tranquillize
quell, allay, alleviate, assuage
British quieten, quieten down
Australian square off
rare dulcify
ANTONYMS

excite, upset

2‘she took a deep breath and forced herself to calm down’

SYNONYMS
compose oneself, recover one's composure, regain one's composure, control oneself, recover one's self-control, regain one's self-control, pull oneself together, keep one's head, simmer down, cool down, cool off, take it easy
British quieten down
informal get a grip, keep one's cool, play it cool, keep one's shirt on, wind down, come back down to earth
North American informal chill out, hang loose, stay loose, decompress
ANTONYMS

lose one's temper