Synonyms and Antonyms of foolishness
1 lack of good sense or judgment the foolishness of going off to search for the fountain of youth Synonyms of foolishness absurdity, asininity, balminess, brainlessness, craziness, daftness, dippiness, dottiness, fatuity, fatuousness, folly, imbecility, inanity, insanity, lunacy, madness, nonsensicalness, nuttiness, preposterousness, senselessness, silliness, simplicity, unwisdom, wackiness, witlessness, zaniness Words Related to foolishness 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, ridiculousness Near Antonyms of foolishness logicality, logicalness, rationality, rationalness, reasonability, reasonableness, validity; discernment, insight, perception, percipience Antonyms of foolishness prudence, sagaciousness, sagacity, sageness, sanity, sapience, sensibleness, soundness, wisdom
2 language, behavior, or ideas that are absurd and contrary to good sense couldn't listen to another second of their foolishness, so I told them to be quiet Synonyms of foolishness 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, nonsense, 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, silliness, slush, stupidity, taradiddle (or tarradiddle), tommyrot, tosh, trash, trumpery, twaddleWords Related to foolishness 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 foolishness levelheadedness, rationality, reasonability, reasonableness, sensibleness; common sense, horse sense, sense; discernment, judgment (or judgement), wisdom
3 the quality or state of lacking intelligence or quickness of mind you didn't fail the test because of any innate foolishness but because of a lack of preparation Synonyms of foolishness boneheadedness, brainlessness, denseness, density, dim-wittedness, doltishness, dopiness, dorkiness, dullness (also dulness), dumbness, fatuity, stupidity, gormlessness [chiefly British], mindlessness, oafishness, obtuseness, senselessness, simpleness, slowness, stupidness, thickness, vacuity, weak-mindedness, witlessnessWords Related to foolishness feeblemindedness, simplemindedness; absurdity, asininity, balminess, craziness, daftness, dippiness, dottiness, fatuousness, folly, idiocy, inaneness, inanity, insanity, lunacy, madness, nincompoopery, nonsensicalness, nuttiness, preposterousness, silliness, simplicity, wackiness, zaniness; fallacy, irrationality, unreasonableness; mental deficiency, mental retardationNear Antonyms of foolishness acumen, alertness, astuteness, discernment, insight, judgment (or judgement), perception, percipience, perspicacity; sagacity, sageness, sapience, wisdom, wit; logicality, logicalness, rationality, rationalness, reasonableness, soundness, validityAntonyms of foolishness braininess, brightness, brilliance, cleverness, intelligence, keenness, quickness, quick-wittedness, sharpness, smartness
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