abandon absentmindedness asininity battiness brainlessness buffoonery callowness caprice careless abandon carelessness casualness childishness clownishness crackpottedness crankiness craziness cursoriness daffiness desipience disregard disregardfulness distraction easiness eccentricity empty-headedness fatuity fatuousness fecklessness flightiness flippancy folly foolery foolheadedness foolishness forgetfulness frivolity frivolousness giddiness goofiness hastiness heedlessness idiocy imbecility immaturity improvidence imprudence inability inadeptness inadequacy inadvertence inadvertency inadvisability inanity inaptitude inaptness inattention inattentiveness incapability incapacity incompetence incompetency inconsiderateness inconsideration incuriosity indexterity indifference indiscreetness indiscretion ineffectiveness ineffectuality inefficiency ineptitude ineptness inexpedience injudiciousness inobservance insanity insouciance irrationality lack of foresight lax stewardship laziness levity lightmindedness lunacy madness maladjustment maladroitness mediocrity mercuriality mindlessness negligence niaiserie nonobservance nugacity nuttiness oblivion obliviousness offhandedness pedestrianism perfunctoriness pompousness poor husbandry puerility queerness reasonlessness recklessness regardlessness rustiness sappiness screwiness senselessness shallowness shiftlessness silliness skill-lessness sprezzatura stuffiness stupidity superficiality tactlessness thriftlessness triflingness triviality unaccommodatingness unalertness unaptness unawareness uncleverness unconsciousness undeftness undexterousness undextrousness unfitness unfittedness unheedfulness unhelpfulness unintelligence unintentiveness unmindfulness unobligingness unobservance unpreparedness unproficiency unreadiness unreason unreasonableness unschooledness unsensibleness unskillfulness unsolicitousness unsolicitude unsoundness unthinkingness unthoughtfulness untrainedness unwariness unwatchfulness unwisdom unwiseness volatility wackiness weirdness witlessness zaniness zanyism