absurdity, absurdness, act of folly, asininity, battiness, blockishness, blunder, boobishness, boorishness, bootlessness, botch, bovinity, brainlessness, buffoonery, bungle, cloddishness, clownishness, crackpottedness, crankiness, crassness, craziness, cretinism, crudeness, daffiness, denseness, density, desipience, dim-wittedness, dimness, doltishness, dull-wittedness, dullardism, dullness, dumb trick, dumbness, duncery, eccentricity, empty-headedness, fatuity, fatuousness, faux pas, folly, foolery, foolhardiness, foolheadedness, foolishness, frivolity, frivolousness, gaffe, giddiness, goofiness, grossness, hebetude, idiocy, imbecility, imprudence, inanity, indiscretion, ineptitude, insanity, irrationality, irresponsibility, lethargy, loutishness, ludicrousness, lumpishness, lunacy, madness, mindlessness, niaiserie, ninnyism, nonsense, nugacity, nuttiness, oafdom, oafishness, obtuseness, opacity, queerness, ridiculousness, risibility, sappiness, screwiness, senselessness, silliness, simpletonianism, simplicity, slowness, sluggishness, solecism, sottise, sottishness, stolidity, stupid thing, thick-headedness, thick-wittedness, thoughtlessness, triflingness, triviality, unteachability, unwise step, wackiness, weak-mindedness, weirdness, witlessness, wrongheadedness, yokelism, zaniness, zanyism