- lethargy, lassitude, sluggishness - a state of comatose torpor (as found in sleeping sickness)
--1 is a kind of torpor, torpidity
--1 has particulars: hebetude - languor, lassitude, listlessness - a feeling of lack of interest or energy
--2 is a kind of apathy
- inanition, lassitude, lethargy - weakness characterized by a lack of vitality or energy
--3 is a kind of weakness