noun, noun which may take the genitive case particle 'no'
perpetual youth and longevity; immortality
A yojijukugo describing the ideal of never aging and never dying. Often used in mythological, fantasy, or philosophical contexts.
不老不死の薬を求めて旅に出た。
He set out on a journey in search of an elixir of immortality.
不老不死は人類の永遠の夢だ。
Immortality is an eternal dream of humanity.