noun, noun or participle which takes 'suru', intransitive verb
forgetfulness; memory lapse
Refers to the act or tendency of forgetting things, often used in everyday contexts to describe minor memory lapses. Can be used as a noun or with する to mean 'to forget things'.
最近、物忘れがひどくなった。
Lately, my forgetfulness has gotten worse.
彼はよく物忘れをする。
He often forgets things.