derange Play verbMake (someone) insane. SYNONYMS barkingbarking madbarmyberserkcertifiablecrackedcrazedcrazydementeddisturbedfrenziedinsaneirrationallunaticmadmaniacmentalnon compos mentisnot in one's right mindof unsound mindout of one's mindpsychopathicravingraving madround the twistsectionabletouchedunbalancedunhingedunstable