- Gr. & Rom. Myth. the river of forgetfulness, flowing through Hades, whose water produces loss of memory in those who drink of it
- oblivion; forgetfulness
Origin of LetheClassical Latin ; from Classical Greek lēthē, forgetfulness, oblivion: see latent
The river of forgetfulness, one of the five rivers in Hades.
Origin of LetheGreek Lēthē, from lēthē, forgetfulness.