turpitude [ˈtɜ:rpətu:d]

例句:

• He was considered unfit to hold office because of moral turpitude.
  为了道德上的可耻行为,他被认为不适担任公务员.
  
• John was even excommunicated at one point, not for moral turpitude, but in a row about money and power.
  来自THETIMES