C1 verb, noun /ˈbreɪnˌwɒʃ/
brainwash
Gehirnwäsche
Meaning
to manipulate someone into adopting certain beliefs by repeated pressure or propaganda; the act or process of such manipulation
Example
The group tried to brainwash new members with constant propaganda.
Die Gruppe versuchte, neue Mitglieder einer Gehirnwäsche zu unterziehen.