impropriety

例句：

1. Impropriety is the soul of wit.
   不規矩是打趣話的精髓。
2. Lack of propriety or good taste; impropriety.
   不得體，無禮禮節或品味的缺乏; 不適宜
3. An excessively familiar or informal act; an impropriety.
   不拘禮儀過分親密或不拘禮儀的行為; 不得體的行為

英文解釋：

名詞 impropriety:

1. an improper demeanor
   同義詞：improperness
2. the condition of being improper
3. an indecent or improper act
   同義詞：indecency
4. an act of undue intimacy
   同義詞：familiarity, indecorum, liberty

詞型變化：