英汉解释

n. 无礼；非礼

同义词

n. familiarity，impropriety，indecorousness，liberty

反义词

n.   decorousness，decorum

参考例句

1. A war is no excuse for indecorum.
战争不成其为不端行为的借口。
2. A war is no excuse for indecorum . Write please, "Dear Sir. " what's his rank?
战争不是胡闹的理由，请写：“亲爱的长官，”他什么官职？

英英解释

n.
  1. a lack of decorum
  2. an act of undue intimacy

网络释义

indecorum
失礼的言行; 无礼; 无礼的言行;