bats Play adjective(of a person) crazy; insane. SYNONYMS certifiablecrazeddeliriousdementedderangeddistracteddistraughtdisturbedfranticfrenziedhystericalinsanelunaticmadmad as a hattermad as a March haremaniacmaniacalmanicmentally illnot in one's right mindnot togetherof unsound mindout of one's mindravingseverely mentally illstark madunbalancedunhingedunstable
