1 (used about a person) able to use logical thought rather than emotions to make decisions (指人)理性的,理智的
[OPP] irrational 反义词为irrational
2 based on reason; sensible or logical 基于理性的;合理的:
There must be a rational explanation for why he's behaving like this.他为什么有这样的行为,必然有合理的解释。 ➔rationallyadv
rational/ˋræʃənḷ; ˈræʃ$nəl/adj 1 based on real facts or scientific knowledge, and not influenced by feelings〔行为﹑决定等〕合理的﹐基于理性的: There must be a rational explanation for their disappearance. 他们的失踪必定有一个合理的解释。2 able to make decisions based on the facts of a situation, and not influenced too much by feelings [ irrational ]〔人〕理智的﹐有理性的: Let's try to discuss this like rational human beings. 让我们尽量像有理智的人那样来讨论这个问题吧。 —rationally adv