What does the word impropriety mean?

Usage examples for impropriety

  1. His admiration true or feigned for Madame Guyon remained to the last, yet always without suspicion of impropriety. – The Memoirs of Louis XIV., Volume 9 And His Court and of The Regency by Duc de Saint-Simon
  2. 327. The articles can seldom be put one for the other, without gross impropriety; and of course either is to be preferred to the other, as it better suits the sense: as, " The violation of this rule never fails to hurt and displease a reader." – The Grammar of English Grammars by Goold Brown
  3. Was it a commercial impropriety? – 'Twixt Land & Sea by Joseph Conrad