'Improbity' definitions:

Definition of 'Improbity'

From: GCIDE
  • Improbity \Im*prob"i*ty\, n. [L. improbitas; pref. im- not + probitas probity: cf. F. improbit['e].] Lack of probity; lack of integrity or rectitude; dishonesty. [1913 Webster]
  • Persons . . . cast out for notorious improbity. --Hooker. Improficience

Synonyms of 'improbity'

From: Moby Thesaurus