impropriety

/ˌɪmprəˈpraɪəti/
noun
  1. Behavior or action that is not correct, suitable, or morally acceptable in a particular situation.
    • There was no evidence of impropriety in the company's dealings.
    • His loud laughter during the ceremony was a clear impropriety.
    • The senator resigned after allegations of financial impropriety.
  2. A mistake or error in behavior or judgment.
    • She apologized for the impropriety of her comment.
    • The minor impropriety of arriving late was quickly forgiven.
    • The report noted several improprieties in the accounting records.