vergessen

to forget (lose remembrance of)

"Diese ganzen Geschichten hatte ich ja ganz vergessen."

to forget (fail to do something out of forgetfulness)

"Ich habe vergessen, den Brief abzuschicken."

to leave (forget to take)

"Ich habe meinen Schlüssel bei dir vergessen."

to overlook, to miss

past participle of vergessen

forgotten