: rude or immoral behavior : improper behavior
: a rude or improper quality
: a wrong or immoral act : an improper act
What made you want to look up impropriety? Please tell us where you read or heard it (including the quote, if possible).
Take Our 10-Question Quiz
The commonly misspelled words quiz
How strong is your vocabulary?
The Vocab Quiz Game for iPhone & iPad
"Incredibly fun and addictive. And informative!" User Review, iTunes