(Greek mythology) The personification of oblivion, daughter of Eris.

Forgetfulness of the past; oblivion. / Dissimulation.

(obsolete, rare) Death.

plural of lethe

(historical) A public levy of free farmers in mediaeval Scandinavia, to organise coastal fleets for seasonal excursions and in defence of the realm.

(chiefly poetic, Greek mythology) Of or relating to the river Lethe, one of the four rivers of Hades. Those who drank from it experienced complete forgetfulness.

(Cumbria) seven in Cumbrian sheep counting

(medicine, archaic) sulphuric ether used as an anaesthetic agent.

simple past tense and past participle of letheonize

(transitive, obsolete, rare) To subject to the influence of letheon.