Foolishness

n.	1.	The quality of being foolish.
	2.	A foolish practice; an absurdity. The preaching of the cross is to them that perish foolishness. - 1 Cor. i. 18.

Noun	1.	foolishness - the trait of acting stupidly or rashly Synonyms: folly, unwiseness
	2.	foolishness - the quality of being rash and foolish Synonyms: craziness, folly
	3.	foolishness - a stupid mistake Synonyms: betise, folly, imbecility, stupidity

Urdummheit, absurdity, absurdness, big deal, blank mind, blankmindedness, blankness, brainlessness, bull, bunk, calm of mind, craziness, devilishness, devilment, devilry, deviltry, dottiness, elfishness, emptiness, emptiness of mind, empty-headedness, fallow mind, fatuity, flightiness, flimsiness, folly, frivolity, frivolousness, futility, giddiness, high spirits, idleness, ignorance, impishness, impracticality, imprudence, inanity, incapacity, indiscretion, ineptitude, injudiciousness, insanity, insensibility, irrationality, lackbrainedness, lackwittedness, levity, lightness, low IQ, ludicrousness, lunacy, mental blankness, mental weakness, mercuriality, mindlessness, mischief, mischievousness, nirvana, nonsense, nugacity, oblivion, passivity, playfulness, prankishness, pranksomeness, preposterousness, primal stupidity, puckishness, quietism, reasonlessness, ridiculousness, roguery, roguishness, scampishness, senselessness, shallowness, silliness, slackmindedness, slackwittedness, slenderness, slightness, sportiveness, superficiality, tabula rasa, thoughtfreeness, thoughtlessness, tranquillity, triflingness, triteness, triviality, trivialness, unintellectuality, unintelligence, unreasonableness, unwisdom, unwiseness, vacancy, vacuity, vanity, vapidity, volatility, waggery, waggishness, witlessness, youthful spirits