英汉解释

n. 不适当；不正确；用词错误；不正当行为

同义词

n. familiarity，improperness，indecency，indecorum

反义词

n.   correctitude，properness，propriety

参考例句

1. The investigation revealed no impropriety .
调查表明没有不正当的做法。
2. I worried at the impropriety of running the siren so early in the morning.
我很是郁闷，大清早的，何必救护车警报拉得山响地扰民呢。
3. This is also the local economy is highly dependent on another real estate impropriety.
而这，则又是地方经济高度依赖房地产的又一不当之处。

英英解释

n.
  1. an improper demeanor
  2. the condition of being improper
  3. an indecent or improper act
  4. an act of undue intimacy

网络释义

impropriety
不适当; 不正当行为; 不合宜; 不得体;
procedural impropriety
程序不适当;
decorum - impropriety
礼仪 - 不当;
be unbecoming to impropriety unseemliness
不得体;
impropriety inadequacy inaptitude ineptitude insufficiency
不适当;