/im'preuh pruy"i tee/ , n. , pl. improprieties for 4, 5.
1. the quality or condition of being improper; incorrectness.
2. inappropriateness; unsuitableness.
3. unseemliness; indecorousness.
4. an erroneous or unsuitable expression, act, etc.
5. an improper use of a word or phrase.
[ 1605-15; improprietas. See IM- 2 , PROPRIETY ]