nonsensical

1. ADJ If you say that something is nonsensical, you think it is stupid, ridiculous, or untrue. 愚蠢的; 可笑的; 不真实的[usu v-link ADJ] [表不满]

It seemed to me that Robert's arguments were nonsensical. 在我看来，罗伯特的论点很荒谬。

There were no nonsensical promises about reviving the economy. 复苏经济的承诺是千真万确的。