incorruptible
1. in.cor.rupt.ible \.in-k*-'r*p-t*-b*l\ \-ble-\ aj : incapable of corruption : as : not subject to decay or dissolution : incapable of being bribed or morally corrupted - in.cor.rupt.ibly av 2. incorruptible n : something that is not subject to corruption; esp : something of spiritual nature