irrational

名词 irrational:

1. a real number that cannot be expressed as a rational number
   同义词：irrational number

形容词 irrational:

1. not consistent with or using reason
2. real but not expressible as the quotient of two integers

1. The state or quality of being irrational.
   不理智不理智的状态或性质
2. She traced her irrational fear of birds back to something which had happened to her as a child.
   她从她童年的经历中找到了她对鸟类莫名恐惧感的原由。
3. She was prey to irrational fears.
   她遭受著无端恐惧的折磨。
4. An irrational idea, expression, or act.
   不合理的事物非理性的想法，表达法，或行为

ir.ra.tion.al

adj.（形容词）

Not endowed with reason.
不具有理智的
Affected by loss of usual or normal mental clarity; incoherent, as from shock.
失去理性的：因丧失通常或正常的清醒头脑而受影响的；不连贯的，如受惊吓后所表现的那样
Marked by a lack of accord with reason or sound judgment:
不理智的：不听从理性的或缺乏正确判断的：
例句：
an irrational dislike.See Synonyms at meaningless See Synonyms at unreasonable
不理智的憎恶参见 meaningless参见 unreasonable

Being a syllable in Greek and Latin prosody whose length does not fit the metric pattern.
希腊和拉丁诗歌韵律学中中长度不符合格律的音节的
Being a metric foot containing such a syllable.
音步含有这样一个音节的
Mathematics Of or relating to an irrational number.
【数学】 无理数的：无理数的或与无理数有关的

【引伸】
irra.tionally
adv.（副词）
irra.tionalness
n.（名词）