Synonyms and related words :
absurdity, aimlessness, asininity, battiness, blank mind, blankmindedness, blankness, bootlessness, brainlessness, buffoonery, calm of mind, clownishness, counterproductiveness, counterproductivity, crackpottedness, crankiness, craziness, daffiness, desipience, eccentricity, emptiness, emptiness of mind, empty-headedness, failure, fallow mind, fatuousness, fecklessness, folly, foolery, foolheadedness, foolishness, frivolity, frivolousness, fruitlessness, futility, giddiness, goofiness, hollowness, idiocy, imbecility, impotence, inanity, ineffectiveness, ineffectuality, ineffectualness, inefficaciousness, inefficacy, ineptitude, insanity, invalidity, lunacy, madness, meaninglessness, mental blankness, mindlessness, niaiserie, nirvana, nugacity, nuttiness, oblivion, otiosity, passivity, pointlessness, profitlessness, purposelessness, queerness, quietism, rat race, sappiness, screwiness, senselessness, silliness, stupidity, tabula rasa, the absurd, thoughtfreeness, thoughtlessness, tranquillity, triflingness, triviality, unintelligence, unproductiveness, unprofitability, unprofitableness, uselessness, vacancy, vacuity, valuelessness, vanity, vicious circle, wackiness, weirdness, witlessness, worthlessness, zaniness, zanyism