battier Play adjectiveMad; insane. SYNONYMS certifiablecrazedcrazydeliriousdementedderangeddistracteddistraughtdisturbedfoaming at the mouthfranticfrenziedhystericalinsanelunaticmad as a hattermad as a March haremanicmentally illnon compos mentisnot in one's right mindnot togetherof unsound mindout of one's mindpsychopathicpsychoticravingsick in the headstark madunbalancedunhingedunstable