détraqué

adjective

dé·​tra·​qué

ˌdāˌ‧träˈkā

: deranged, psychopathic

Word History

Etymology

French, past participle of détraquer to cause to stop functioning properly, from Middle French detraquer to divert from one's course, from de- (from Old French des-) + -traquer (from trac track)

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