rational反义词

People tend to see themselves as rational. And that's apparently very irrational.

人们都觉得自己是理性的。而这显然是不理性的。

rational   adj. 理智的

反义词是 irrational   adj. 非理性的，不合逻辑的，荒谬的无理的。

His behaviour was becoming increasingly irrational.他的行为正变得愈加非理性。