lethargy Meaning, Definition & Usage

noun a state of comatose torpor (as found in sleeping sickness)
sluggishness; lassitude.
noun weakness characterized by a lack of vitality or energy
slackness; inanition; lassitude.
noun inactivity; showing an unusual lack of energy
flatness; languor; phlegm; sluggishness.
- the general appearance of sluggishness alarmed his friends

F. léthargie, L. letgargia, Gr. , fr. forgetful, fr. forgetfulness. See Lethe.

plural -gies

Morbid drowsiness; continued or profound sleep, from which a person can scarcely be awaked.
A state of inaction or indifference.
Europe lay then under a deep lethargy. Atterbury.