solemn

1 having or showing a formal and serious or reserved manner the director of the funeral home has a fittingly solemn demeanor Synonyms august, distingué, distinguished, imposing, portly, dignified, staid, statelyRelated Words decorous, proper, seemly; grave, grim, po-faced [British], sober, somber (or sombre); aristocratic, elegant, elevated, handsome, lordly, magisterial, majestic, nobleNear Antonyms coarse, crass, crude, improper, indecent, uncouth, unseemly, vulgarAntonyms flighty, frivolous, giddy, goofy, silly, undignified

2 not joking or playful in mood or manner solemn as a judge Synonyms earnest, grave, humorless, no-nonsense, po-faced [British], sedate, severe, sober, sobersided, serious, staid, uncomic, unsmiling, weightyRelated Words harsh, stern, strict; businesslike, professional; dignified, distinguished, elevated, serious-minded; gloomy, grimNear Antonyms antic, comic, comical, droll, farcical, funny, hilarious, hysterical (also hysteric), laughable, light, light-headed, ludicrous, ridiculous, riotous, risible, screaming, sidesplitting, uproarious; featherbrained, flighty, frivolous, goofy, harebrained, lighthearted, puerile, scatterbrained; absurd, asinine, balmy, brainless, cockeyed, crazy, cuckoo, daffy, daft, dotty, fatuous, foolish, half-witted, insane, jerky, kooky (also kookie), loony (also looney), lunatic, mad, nonsensical, nutty, preposterous, sappy, screwball, senseless, silly, unwise, wacky (also whacky), weak-minded, witless, zanyAntonyms facetious, flip, flippant, humorous, jesting, jocular, joking, kittenish, ludic, playful

3 causing or marked by an atmosphere lacking in cheer the Capitol's rotunda was draped in solemn decorations of a state funeral Synonyms black, bleak, cheerless, chill, Cimmerian, cloudy, cold, comfortless, dark, darkening, depressing, depressive, desolate, dire, disconsolate, dismal, drear, dreary, dreich [chiefly Scottish], elegiac (also elegiacal), forlorn, funereal, glum, godforsaken, gray (also grey), lonely, lonesome, lugubrious, miserable, morbid, morose, murky, plutonian, saturnine, sepulchral, gloomy, somber (or sombre), sullen, sunless, tenebrific, tenebrous, wretchedRelated Words blue, dejected, depressed, despondent, disconsolate, down, droopy, hangdog, inconsolable, low, melancholic, melancholy, mirthless, sad, unhappy, woebegone, woeful; dim, discomfiting, discouraging, disheartening, dismaying, dispiriting, distressful, distressing, upsetting; desperate, hopeless, pessimistic; lamentable, mournful, plaintive, sorrowful; colorless, drab, dull; dour, grim, lowering (also louring), lowery (also loury), menacing, negative, oppressive, threateningNear Antonyms blithe, blithesome, buoyant, gay, jocund, jolly, joyful, joyous, merry, mirthful; encouraging, hopeful, optimistic; lighthearted, lightsomeAntonyms bright, cheerful, cheering, cheery, comforting, cordial, festive, friendly, gay, heartwarming, sunshiny