deprave

/di-ˈprāv/

Middle English, from Anglo-French depraver, from Latin depravare to pervert, from de- + pravus crooked, bad

verb

  1. to speak ill of : malign

  2. to make bad : corrupt; especially : to corrupt morally

debase vitiate deprave corrupt debauch pervert mean to cause deterioration or lowering in quality or character. debase implies a loss of position, worth, value, or dignity. vitiate implies a destruction of purity, validity, or effectiveness by allowing entrance of a fault or defect.