not feeling ashamed of something you have done, although other people think you should synonym unashamed无耻的;没廉耻的;不要脸的 a shameless display of greed 贪婪的无耻表现 Some claimed he was a shameless womanizer. 一些人声称他是一个无耻的好色之徒。 The British press were shameless in their support for Clinton. 英国媒体无耻地支持克林顿。
Oxford Collocations DictionaryShameless is used with these nouns:- exploitation
Word OriginOld English sc(e)amlēas (see shame, -less).