Synonyms and related words :
acedia, aloofness, apathy, asininity, ataraxia, ataraxy, benumbedness, blah, blahs, blockishness, boobishness, boorishness, boredom, bovinity, cloddishness, coma, comatoseness, crassness, crudeness, denseness, density, detachment, dim-wittedness, dimness, disinterest, dispassion, doltishness, drowsiness, dull-wittedness, dullardism, dullness, dumbness, duncery, enervation, ennui, fatigue, grossness, heartlessness, heaviness, hopelessness, inanimation, inappetence, indifference, insouciance, jadedness, lack of appetite, lackadaisicalness, languidness, languishment, languor, languorousness, lassitude, lenitude, lentor, lethargicalness, lethargy, lifelessness, listlessness, loutishness, lumpishness, ninnyism, nonchalance, numbness, oafdom, oafishness, obtuseness, opacity, oscitancy, passiveness, passivity, phlegm, phlegmaticalness, phlegmaticness, plucklessness, resignation, resignedness, satedness, simpletonianism, sleep, sleepiness, sloth, slothfulness, slowness, sluggishness, slumber, somnolence, sopor, soporifousness, sottishness, spiritlessness, spunklessness, stolidity, stupefaction, stupidity, stupor, supineness, thick-headedness, thick-wittedness, torpidity, torpidness, torpitude, torpor, unconcern, unteachability, weariness, withdrawnness, world-weariness, wrongheadedness, yokelism