Synonyms for calm

noun

1. Peace

   stillness, lull, quiet; see peace 2, rest 1, 2, silence 1.

2. Composure

   serenity, tranquillity, peace of mind; see composure, patience 1, restraint 1, tranquillity.

verb

modified

1. Said especially of persons

   cool, composed, collected, serene, tranquil, sedate, levelheaded, coolheaded, impassive, detached, unmoved, aloof, unconcerned, disinterested, incurious, unaroused, unimpressed, nonchalant, neutral, listless, gentle, amicable, peaceable, peaceful, placid, unanxious, unexcited, unperturbed, unruffled, unshaken, amiable, temperate, inoffensive, civil, moderate, self-reliant, confident, poised, self-possessed, relaxed, dispassionate, imperturbable, unexcitable, unflappable, even-tempered, mild, still, phlegmatic, philosophical, self-controlled, patient, untroubled, cool as a cucumber*, with ice in one's veins*, without a nerve in one's body*, laid-back*; see also sense 2, dignified, serene, tranquil 1.

   Antonyms violent*, excited*, furious*.

2. Said often of things

   quiet, tranquil, serene, undisturbed, unruffled, in order, soothing, at peace, placid, smooth, still, restful, harmonious, bland, peaceful, pacific, balmy, waveless, windless, motionless, reposeful, stormless, halcyon, at a standstill, pastoral, rural, low-key, slow; see also sense 1; moderate 4, motionless 1, rural, tranquil 2.

   Antonyms rough*, agitated, aroused.

calm, originally applied to the weather, suggests a total absence of, and often a contrast with, agitation or disturbance a calm sea, a calm, answer; tranquil implies a more intrinsic or permanent peace and quiet than calmthey lead a tranquil life; serene suggests an exalted tranquillity he died with a serene smile on his lips; placid implies an undisturbed or unruffled calm and is sometimes used disparagingly to suggest dull equanimity she looked on with placid unconcern; peaceful suggests a lack of turbulence or disorder a peaceful gathering