Brainwashing: forcibly implanting a belief or ideology through repeated persuasion or information control, often removing an individual's ability to think independently.
カルト教団が信者を洗脳して脱会を防いでいると報告された。
It was reported that the cult was brainwashing its members to prevent them from leaving.
長年の偏った情報で、彼はいつの間にか洗脳されていた。
With years of biased information, he had been brainwashed before he realized it.
このドキュメンタリーは洗脳の手法とその危険性を明らかにする。
This documentary reveals methods of brainwashing and their dangers.