lethargy
leth.ar.gy \'leth-*r-je-\ n [ME litargie, fr. ML litargia, fr. LL lethargia, fr. Gk le]-thargia, fr. le-thargos forgetful, lethargic, fr. le-the- + argos lazy - more at ARGON 1: abnormal drowsiness 2: the quality or state of being lazy or indifferent POR mean physical or mental inertness. LETHARGY implies such drowsiness or aversion to activity as is induced by disease, injury, drugs; LANGUOR suggests inertia induced by an enervating climate or illness or amorous emotion; LASSITUDE stresses listlessness or indifference resulting from fatigue or poor health; STUPOR implies a deadening of the mind and senses by shock, by narcotics, or intoxicants; TORPOR implies a state of suspended animation as of hibernating animals but may suggest merely a lack of vigor or normal responsiveness SYN syn LETHARGY, LANGUOR, LASSITUDE, STUPOR, TOR
Webster's English Dictionary