Synonyms and related words :
acedia, aloofness, apathy, ataraxia, ataraxy, benumbedness, blah, blahs, catalepsy, coma, comatoseness, detachment, disinterest, dispassion, dullness, encephalitis lethargica, heartlessness, hebetude, high, hopelessness, inappetence, indifference, insouciance, lack of appetite, languidness, lethargicalness, lethargy, listlessness, narcohypnosis, narcolepsy, narcoma, narcosis, narcotic stupor, narcotization, nod, nonchalance, numbness, passiveness, passivity, phlegm, phlegmaticalness, phlegmaticness, plucklessness, resignation, resignedness, sedation, shock, sleeping sickness, sloth, sluggishness, soporifousness, spiritlessness, spunklessness, stupefaction, stupor, supineness, swoon, thanatosis, torpidity, torpidness, torpor, trance, unconcern, withdrawnness