耄もう碌ろく

noun, noun or participle which takes 'suru', intransitive verb

senility; dotage; decrepitude

Refers to mental and physical decline due to old age. Often used with する to mean 'become senile'. The kanji 耄碌 are somewhat rare and may be replaced by kana in modern writing.

• 祖そ父ふは最さい近きん耄もう碌ろくして、家か族ぞくの名な前まえを忘わすれることがある。

  My grandfather has become senile recently and sometimes forgets family members' names.

• 耄もう碌ろくした老ろう人じんを介かい護ごするのは大たい変へんだ。

  Caring for a senile old person is tough.