irrational

1. ADJ If you describe someone's feelings and behaviour as irrational, you mean they are not based on logical reasons or clear thinking. 不理性的

...an irrational fear of science. …一种对科学毫无根据的恐惧。

2. irrationallyADV 不理性地

My husband is irrationally jealous over my past loves. 我丈夫对我从前的几次恋爱毫无道理地妒忌。