mean的形容词形式无意义的

meaningless adj. 无意义的；无目的的；

例句

Unloved and uncared-for, they live a meaningless hand to mouth existence.

没人疼爱也没人照顾，他们过着一种毫无意义、勉强糊口的日子。

These tests were so seriously flawed as to render the results meaningless.

这些测试存在着如此严重的缺陷，以至于使得结果毫无意义。

Having been caught doing other things in your class, I know any excuse may be meaningless.

被发现在您的课堂上做其他事情，我知道找借口是没有意义的。

Why, experts wail, so many people are willing to waste their lives in the virtual world to solve meaningless puzzles?

专家们悲叹，为何如此多人愿在虚拟世界中为解决无意义的谜题而浪费生命呢？

The essay was a meaningless jumble of ideas.

这篇散文思想混乱，使人不知所云。