- adj. 不合理的；无理性的；荒谬的
- n. [数] 无理数
- irrational (adj.)
- 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.
- 1. The rational and the irrational complement each other. Individually, they are far less powerful.
- 2. His behaviour was becoming increasingly irrational.
- 3. The weight of irrational guilt pressed on her.
- 4. After taking the drug she became completely irrational.
- 5. Strong irrational dislikes of other people can easily be picked up from others.
[ irrational 造句 ]