serene

1 free from disturbing noise or uproar a serene vacation spot Synonyms arcadian, calm, hushed, peaceful, placid, restful, quiet, still, stilly, tranquilRelated Words noiseless, silent, soundless; mute, speechless, wordless; dead, motionless, quiescent; muffled, muted, quieted; dull, gentle, low, soft; ultraquietNear Antonyms crazy, tempestuous, wild; blaring, blasting, booming, earsplitting, piercing, roaring, thundering, thunderousAntonyms boisterous, clamorous, clattery, deafening, loud, noisy, raucous, rip-roaring, roistering, romping, rowdy, tumultuous, unquiet, uproarious, woolly (also wooly)

2 free from emotional or mental agitation a serene woman who was everyone's source of support Synonyms collected, composed, cool, coolheaded, equal, level, limpid, peaceful, placid, possessed, recollected, sedate, self-composed, self-possessed, calm, smooth, together, tranquil, undisturbed, unperturbed, unruffled, unshaken, untroubled, unworriedRelated Words even, even-keeled, steady, well-adjusted, well-balanced; imperturbable, nerveless, unflappable, unshakable; centered, disciplined, equable, self-contained, self-controlled; affable, breezy, devil-may-care, easygoing, happy-go-lucky, laid-back, loosey-goosey, mellow; carefree, nonchalant, unconcerned; assured, confident, self-assured; aloof, detached, dispassionate, indifferent; bovine, impassive, phlegmatic, sober, stolid; relaxed, relieved, tranquilized (also tranquillized)Near Antonyms anxious, bothered, distressed, uneasy, unquiet, unsettled, worried; jittery, jumpy, nervous, restless, skittish, tense; high-strung, unstable, uptightAntonyms agitated, discomposed, disturbed, flustered, perturbed, unglued, unhinged, unstrung, upset

3 free from storms or physical disturbance a serene lake Synonyms halcyon, hushed, lown [dialect], peaceful, placid, quiet, calm, still, stilly, tranquil, untroubledRelated Words balmy, clement, equable, gentle, mild, moderate, temperate; clear, cloudless, fair, rainless, sunny, sunshiny, windlessNear Antonyms blizzardy (also blizzardly), blustery, squally, windy; extreme, foul, intemperate, nasty, severeAntonyms agitated, angry, inclement, restless, rough, stormy, tempestuous, turbulent, unquiet, unsettled