irrelevance

1. N-UNCOUNT If you talk about the irrelevance of something, you mean that it is irrelevant. 不相关

...the utter irrelevance of the debate. …与这一争论完全毫不相关。

2. N-COUNT If you describe something as an irrelevance, you have a low opinion of it because it is not important in a situation. 无意义的事

The Patriotic Front has been a political irrelevance since it was abandoned by its foreign backers. “爱国阵线”自从被其外国支持者们遗弃之后就已经没有任何政治意义了。