Synonyms and Antonyms of silliness

  1. 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 of silliness 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, zaninessWords Related to silliness 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 of silliness logicality, logicalness, rationality, rationalness, reasonability, reasonableness, validity; discernment, insight, perception, percipienceAntonyms of silliness prudence, sagaciousness, sagacity, sageness, sanity, sapience, sensibleness, soundness, wisdom

  2. 2 language, behavior, or ideas that are absurd and contrary to good sense stop this silliness at once! Synonyms of silliness 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, twaddleWords Related to silliness 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 of silliness levelheadedness, rationality, reasonability, reasonableness, sensibleness; common sense, horse sense, sense; discernment, judgment (or judgement), wisdom

  3. 3 a lack of seriousness often at an improper time this inability to refrain from silliness is a distressing sign of professional immaturity Synonyms of silliness facetiousness, flightiness, flippancy, frivolousness, frothiness, levity, light-headedness, light-mindedness, lightness, frivolityWords Related to silliness cheer, cheerfulness, festivity, gaiety (also gayety), glee, gleefulness, high-spiritedness, hilarity, joviality, lightheartedness, merriment, mirth, mirthfulness; childishness, goofiness, puerilityNear Antonyms of silliness dejection, depression, despondency, dispiritedness, downheartedness, gloom, gloominess, heartsickness, joylessness, melancholy, mopes, moroseness, sadness, sullenness, unhappinessAntonyms of silliness earnestness, gravity, seriousness, soberness, solemnity, solemnness

Learn More about silliness

Seen and Heard

What made you want to look up silliness? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!