late 15c., "not endowed with reason" (of beats, etc.); earlier (of quantities) "inexpressible in ordinary numbers" (late 14c.); from Latin irrationalis "without reason," from assimilated form of in- "not, opposite of" (see in- (1)) + rationalis "reason" (see rational). Meaning "illogical, absurd" is attested from 1640s. Related: Irrationally.
雙語例句
1. The rational and the irrational complement each other. Individually, they are far less powerful.
理性和非理性是互補的。兩者分開的話，力量就會小很多。
來自美劇《紙牌屋》
2. His behaviour was becoming increasingly irrational.
他的行為變得越來越不理智了。
來自柯林斯例句
3. The weight of irrational guilt pressed on her.
無端的負罪感壓得她喘不過氣來。
來自柯林斯例句
4. After taking the drug she became completely irrational.
她在吸毒后變得完全失去了理性.
來自《簡明英漢詞典》
5. Strong irrational dislikes of other people can easily be picked up from others.