n. [ L. improbitas; pref. im- not + probitas probity: cf. F. improbité. ] Lack of probity; lack of integrity or rectitude; dishonesty. [ 1913 Webster ]
Persons . . . cast out for notorious improbity. Hooker.
n. [ F. probité, fr. L. probitas, fr. probus good, proper, honest. Cf. Prove. ] Tried virtue or integrity; approved moral excellence; honesty; rectitude; uprightness. “Probity of mind.” Pope. [ 1913 Webster ]