I. noun
Synonyms: quiet 1, hush, lull
II. adjective
1.
free from storm or rough activity
the wind died and the sea became calm
Synonyms: halcyon, hushed, placid, quiet, still, stilly, untroubled
Related Word: inactive, quiescent, reposing, resting; pacific, smooth, tranquil, unruffled
Idioms: calm as a millpond, still as death
Contrasted words: agitated, disturbed, perturbed, restless, turbulent, uneasy
Antonyms: stormy
2.
free from mental or emotional distress or agitation
a man who remained calm under stress
Synonyms: collected, composed, easy, easygoing, placid, poised, possessed, self-composed, self-possessed, serene, tranquil
Related Word: cool, imperturbable, laid-back, nonchalant, unflappable, unruffled; even-tempered, impassive, phlegmatic, steady; firm, stable, staunch
Contrasted words: discomposed, disturbed, perturbed, upset; anxious, bothered, confused, nervous; fidgety, jittery, jumpy, shaky, tense
Antonyms: agitated
III. verb
to relieve from or bring to an end whatever distresses, agitates, or disturbs
that inner faith that calms the troubled spirit
Synonyms: allay, balm, becalm, compose, lull, quiet, ||quieten, settle, soothe, ||soother, still, tranquilize
Related Word: alleviate, assuage, mitigate, relieve; appease, mollify, pacify, placate; relax, steady
Contrasted words: bother, discompose, disquiet, disturb, flurry, perturb, stir up, upset
Antonyms: agitate; arouse