Someone who is forgetful often forgets things. 健忘的
adjective [原级] 健忘的，记性差的；疏忽的，不经心的
My mother has become very forgetful and confused. 我母亲已变得很健忘很糊涂了。
My mother has become very forgetful and confused. 我母亲已变得很健忘很糊涂了。
