the quality of believing that your ideas and behaviour are morally better than those of other people

They respond to questions from broadcasters with a nauseating mixture of arrogance and self-righteousness. 他们回答电台采访人的方式既傲慢又自大，令人作呕。

The lawyer accused critics of smug self-righteousness. 律师指责批评者自鸣得意，自以为是。