abandon, accidia, acedia, aloofness, apathy, ataraxia, ataraxy, benumbedness, blah, blahs, boredom, careless abandon, carelessness, casualness, comatoseness, cursoriness, detachment, disinterest, disinterestedness, dispassion, disregard, disregardfulness, dullness, easiness, easygoingness, forgetfulness, hastiness, heartlessness, hebetude, heedlessness, hopelessness, impassiveness, impassivity, inappetence, inattention, inconsiderateness, inconsideration, incuriosity, incuriousness, indifference, indifferentism, indifferentness, indiscrimination, inexcitability, intellectual inertia, lack of affect, lack of appetite, lack of foresight, lack of interest, lackadaisicalness, languidness, lassitude, laziness, lethargicalness, lethargy, listlessness, mindlessness, negligence, nonchalance, numbness, oblivion, offhandedness, passiveness, passivity, perfunctoriness, phlegm, phlegmaticalness, phlegmaticness, plucklessness, pococurantism, recklessness, regardlessness, resignation, resignedness, sloth, sluggishness, sopor, soporifousness, spiritlessness, sprezzatura, spunklessness, stolidity, stupefaction, stupor, supineness, tactlessness, thoughtlessness, torpidity, torpidness, torpor, unanxiousness, unconcern, unheedfulness, uninquisitiveness, uninterestedness, unmindfulness, unpreparedness, unreadiness, unsolicitousness, unsolicitude, unthinkingness, withdrawal, withdrawnness