老衰 (Rousui) is a Japanese noun meaning “senility, senile decay, infirmity (through age)”.
Meanings
- noun, suru verb, intransitive verb, adjectival nounsenility; senile decay; infirmity (through age)
Examples
老衰するな！老成せよ！
Don't grow old, grow wise!
彼は老衰で二年前に亡くなった。
He died of old age two years ago.
お祖父さんがかなり老衰している。
Grandfather is quite senile.
Sentences from Tatoeba (CC BY 2.0 FR).