不ふ老ろう不ふ死しふろうふしFreq.FrequencyTop 50,000じ字FuriganaMeanings1noun, noun which may take the genitive case particle 'no'perpetual youth and longevity; immortalityyojijukugo (four-character idiom)›A yojijukugo describing the ideal of never aging and never dying. Often used in mythological, fantasy, or philosophical contexts.不