Affected by lethargy; sluggish, drowsy, and lacking energy or enthusiasm. Characterized by inactivity and indifference.
From Greek 'lethargikos' meaning 'forgetful,' from 'lethe' (forgetfulness) and 'argos' (idle). In Greek mythology, Lethe was the river of forgetfulness in Hades. The medical sense of drowsiness and sluggishness developed from the idea of being forgetful due to sleepiness.
Remember the river Lethe in Greek mythology - souls drank from it to forget their past lives! Lethargic people are so drowsy and sluggish, it's like they've forgotten how to be energetic. Think 'let-har-gic' = 'let yourself be hardly active.'
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