(noun) an immaterial force within a human being thought to give the body life, energy, and power
(noun) a state of mind dominated by a particular emotion
(noun) the soul of a dead person thought of especially as appearing to livingpeople
Definitions for Lethe
(noun) (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