incorruptible
1. [ adjective ] incapable of being morally corrupted
Examples:

"incorruptible judges are the backbone of the society"

Related terms: incorrupt incorrupt
Similar spelling:   inscrutable
  incorruption
  incorrigible
  incorruptness
  incorruptibility
  incorporative
  inscrutability
  incorporation
  insurrectional
  inscription