Leth"ar*gy (?), n.; pl. -gies (#). [F. l'ethargie, L. letgargia, Gr. , fr. forgetful, fr. forgetfulness. See Lethe.]
1.
Morbid drowsiness; continued or profound sleep, from which a person can scarcely be awaked.
2.
A state of inaction or indifference.
Europe lay then under a deep lethargy.
Atterbury.
© Webster 1913.
Leth"ar*gy, v. t.
To lethargize.
[Obs.]
Shak.
© Webster 1913.