老朽 ろうきゅう infirmity (due to old age) #6,728 Meanings noun, takes する, intransitive infirmity (due to old age); decrepitude; senility; senescence; superannuation Its kanji 老 ロウ · お.いる、ふ.ける old man, old age, grow old 朽 キュウ · く.ちる decay, rot, remain in seclusion