Home › Words › U › unbrainwashunbrainwashunbrainwash · verb — to reverse the process of brain-washing or indoctrination; to free (a person) from beliefs forced on them by others.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, unbrainwash ranks #2,140 of 43,252 for Qualifying.EtymologyFrom un- + brainwash.verbTo reverse the process of brain-washing or indoctrination; to free (a person) from beliefs forced on them by others.Definitions & examples from Wiktionary (CC BY-SA 3.0).