THESAURUS
listlessness
accidia, acedia, adynamia, aloofness, anemia, apathy, ataraxia, ataraxy, atony, benumbedness, blah, blah feeling, blahs, bloodlessness, boredom, cachexia, cachexy, carelessness, casualness, comatoseness, cowardice, debilitation, debility, detachment, disinterest, disinterestedness, dispassion, disregard, disregardfulness, drowsiness, dullness, easygoingness, enervation, ennui, etiolation, faintness, fatigue, feebleness, flabbiness, flaccidity, heartlessness, heaviness, hebetude, heedlessness, hopelessness, impassiveness, impassivity, impotence, inanimation, inappetence, inattention, incuriosity, incuriousness, indifference, indifferentism, indifferentness, indiscrimination, inexcitability, insouciance, intellectual inertia, jadedness, lack of affect, lack of appetite, lack of interest, lackadaisicalness, languidness, languishment, languor, languorousness, lassitude, lenitude, lentor, lethargicalness, lethargy, lifelessness, mindlessness, negligence, nonchalance, numbness, oscitancy, passiveness, passivity, phlegm, phlegmaticalness, phlegmaticness, plucklessness, pococurantism, prostration, recklessness, regardlessness, resignation, resignedness, satedness, sleepiness, sloth, slothfulness, slowness, sluggishness, softness, somnolence, sopor, soporifousness, spiritlessness, spunklessness, stolidity, strengthlessness, stupefaction, stupor, supineness, torpidity, torpidness, torpitude, torpor, unanxiousness, unconcern, uninquisitiveness, uninterestedness, unmindfulness, unsolicitousness, weakliness, weakness, weariness, withdrawal, withdrawnness, world-weariness
