Synonyms and related words :
Urdummheit, absurdity, asininity, awkwardness, battiness, brainlessness, buffoonery, clownishness, clumsiness, crackpottedness, crankiness, craziness, daffiness, desipience, disability, disablement, disqualification, eccentricity, fatuity, fatuousness, folly, foolery, foolheadedness, foolishness, frivolity, frivolousness, futility, gaucherie, giddiness, goofiness, idiocy, ignorance, imbecility, impoliticalness, impoliticness, inability, inadequacy, inadvisability, inanity, inappropriateness, inaptitude, inaptness, incapability, incapacitation, incapacity, incompetence, incompetency, incongruity, inconvenience, inconveniency, inefficiency, ineptness, inexpedience, inexpediency, infancy, infelicity, inferiority, inopportuneness, insanity, insufficiency, irrationality, lackbrainedness, lackwittedness, legal incapacity, low IQ, lunacy, madness, maladroitness, mental weakness, mindlessness, minority, niaiserie, nugacity, nuttiness, primal stupidity, queerness, reasonlessness, sappiness, screwiness, senselessness, silliness, slackmindedness, slackwittedness, stupidity, thoughtlessness, triflingness, triviality, undesirability, unfitness, unfittingness, unfortunateness, ungainliness, unintellectuality, unintelligence, unmeetness, unprofitability, unprofitableness, unseasonableness, unseemliness, unsuitability, unsuitableness, untimeliness, unwisdom, unwiseness, uselessness, wackiness, wardship, weirdness, witlessness, worthlessness, wrongness, zaniness, zanyism