or brain-wash, brain wash

[ breyn-wosh, -wawsh ]
/ ˈbreɪnˌwɒʃ, -ˌwɔʃ /

verb (used with object)

to cause (someone) to undergo brainwashing.


the process of brainwashing.
a subjection to brainwashing.

Origin of brainwash

First recorded in 1950–55; back formation from brainwashing

Related forms

brain·wash·er, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for brainwash

British Dictionary definitions for brainwash


/ (ˈbreɪnˌwɒʃ) /


(tr) to effect a radical change in the ideas and beliefs of (a person), esp by methods based on isolation, sleeplessness, hunger, extreme discomfort, pain, and the alternation of kindness and cruelty

Derived Forms

brainwasher, nounbrainwashing, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012