senility
🇺🇸
/səˈnɪləti/
🇬🇧
/səˈnɪləti/
The state of being old and having trouble remembering things or thinking clearly.
My grandmother's increasing senility has made day-to-day tasks difficult for her.
나의 할머니의 증가하는 노쇠가 그녀의 일상적인 작업을 어렵게 만들었습니다.