Lassitude (6)
'lassitude' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for inertia that I've seen before include "Slowness to act, lassitude" , "Stagnating state" , "Tendency to do nothing or to remain unchanged" , "Torpor" , "Disinclination to move" .)
'lassitude' is the definition.
(I know that lassitude can be written as languor)
This is the entire clue.
(Other definitions for languor that I've seen before include "Weariness; relaxation" , "sloth" , "Lack of energy" , "Weakness - sluggishness" , "Enervation" .)
'lassitude' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for torpor that I've seen before include "State of sluggish somnolence" , "Inactive and sluggish condition" , "State of mental or physical inactivity" , "lack of energy" , "Extreme lethargy" .)