/ ˈbreɪnwɒʃ; NAmE -wɑːʃ; -wɔːʃ/ verb
brainwash sb (into doing sth) to force sb to accept your ideas or beliefs, for example by repeating the same thing many times or by preventing the person from thinking clearly :
[ vn ]
The group is accused of brainwashing its young members.
Women have been brainwashed into thinking that they must go out to work in order to fulfil themselves.
[also vn , vn to inf ]
► brain·wash·ing noun [ U ]:
the victims of brainwashing and torture