forgetfulness
🇺🇸
/fərˈɡetflnəs/
🇬🇧
/fəˈɡetflnəs/
A tendency to not remember things or to forget them easily.
His forgetfulness caused him to lose his keys again.
그의 망각으로 인해 그가 다시 열쇠를 잃었습니다.