Pronunciation: (im"pru-prī'i-tē), [key]
—pl. -ties 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.