Home › Words › T › trichotillomaniatrichotillomaniatrichotillomania · noun — A medical disorder where someone compulsively pulls their own hair out.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, trichotillomania ranks #3,377 of 42,824 for Qualifying.EtymologyFrom tricho- + Ancient Greek τίλλω (tíllō, “I pull out, pluck”) + -mania.nounA medical disorder where someone compulsively pulls their own hair out.Definitions & examples from Wiktionary (CC BY-SA 3.0).