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Related to River Lethe: River Styx
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|Noun||1.||River Lethe - (Greek mythology) a river in Hades; the souls of the dead had to drink from it, which made them forget all they had done and suffered when they were alive|
netherworld, Scheol, underworld, Hades, infernal region, Hell - (religion) the world of the dead; "No one goes to Hades with all his immense wealth"-Theognis
Greek mythology - the mythology of the ancient Greeks