Synonyms and Antonyms of silliness
1 lack of good sense or judgment <she was both amused and irritated by the silliness of his comments regarding the movie they has just seen> Synonyms absurdity, asininity, balminess, brainlessness, craziness, daftness, dippiness, dottiness, fatuity, fatuousness, folly, imbecility, inanity, insanity, lunacy, madness, nonsensicalness, nuttiness, preposterousness, senselessness, foolishness, simplicity, unwisdom, wackiness, witlessness, zaninessRelated Words denseness, dim-wittedness, doltishness, dopiness, dullness (also dulness), dumbness, feeblemindedness, gormlessness [chiefly British], idiocy, mindlessness, oafishness, obtuseness, simplemindedness, simpleness, slowness, stupidity, stupidness, vacuity; fallacy, irrationality, unreasonableness; kookiness, weirdness; laughableness, ludicrousness, ridiculousnessNear Antonyms logicality, logicalness, rationality, rationalness, reasonability, reasonableness, validity; discernment, insight, perception, percipienceAntonyms prudence, sagaciousness, sagacity, sageness, sanity, sapience, sensibleness, soundness, wisdom
2 language, behavior, or ideas that are absurd and contrary to good sense <stop this silliness at once!> Synonyms applesauce [slang], balderdash, baloney (also boloney), beans, bilge, blah (also blah-blah), blarney, blather, blatherskite, blither, bosh, bull [slang], bunk, bunkum (or buncombe), claptrap, codswallop [British], crapola [slang], crock, drivel, drool, fiddle, fiddle-faddle, fiddlesticks, flannel [British], flapdoodle, folderol (also falderal), folly, foolishness, fudge, garbage, guff, hogwash, hokeypokey, hokum, hoodoo, hooey, horsefeathers [slang], humbug, humbuggery, jazz, malarkey (also malarky), moonshine, muck, nerts [slang], nuts, piffle, poppycock, punk, rot, rubbish, senselessness, nonsense, slush, stupidity, taradiddle (or tarradiddle), tommyrot, tosh, trash, trumpery, twaddleRelated Words absurdity, asininity, fatuity, foolery, idiocy, imbecility, inaneness, inanity, insanity, kookiness, lunacy; absurdness, craziness, madness, senselessness, witlessness; hoity-toity, monkey business, monkeyshine(s), shenanigan(s), tomfoolery; gas, hot air, rigmarole (also rigamarole); double-talk, greek, hocus-pocusNear Antonyms levelheadedness, rationality, reasonability, reasonableness, sensibleness; common sense, horse sense, sense; discernment, judgment (or judgement), wisdom
3 a lack of seriousness often at an improper time <this inability to refrain from silliness is a distressing sign of professional immaturity> Synonyms facetiousness, flightiness, flippancy, frivolousness, frothiness, levity, light-headedness, light-mindedness, lightness, frivolityRelated Words cheer, cheerfulness, festivity, gaiety (also gayety), glee, gleefulness, high-spiritedness, hilarity, joviality, lightheartedness, merriment, mirth, mirthfulness; childishness, goofiness, puerilityNear Antonyms dejection, depression, despondency, dispiritedness, downheartedness, gloom, gloominess, heartsickness, joylessness, melancholy, mopes, moroseness, sadness, sullenness, unhappinessAntonyms earnestness, gravity, seriousness, soberness, solemnity, solemnness
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