### What does **irrational** mean?

# Definitions for irrational

ɪˈræʃ ə nlir·ra·tional

#### Here are all the possible meanings and translations of the word **irrational**.

### Princeton's WordNet

irrational number, irrationaladjective

a real number that cannot be expressed as a rational number

irrationaladjective

not consistent with or using reason

"irrational fears"; "irrational animals"

irrationaladjective

real but not expressible as the quotient of two integers

"irrational numbers"

### GCIDE

irrationaladjective

Not according to reason; having no rational basis; clearly contrary to reason; easily disproved by reasoning; absurd; -- of assertions and beliefs. Hence, of actions: foolish; unreasonable.

**Etymology:**[L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]

### Wiktionary

irrationalnoun

A real number that can not be expressed as the quotient of two integers, an irrational number.

**Etymology:**From irrationalis, from ir- + rationalis.irrationaladjective

Not rational; unfounded or nonsensical.

an irrational decision

**Etymology:**From irrationalis, from ir- + rationalis.irrationaladjective

Of a real number, that cannot be written as the ratio of two integers.

The number uE0009599uE001 is irrational.

**Etymology:**From irrationalis, from ir- + rationalis.

### Webster Dictionary

Irrationaladjective

not rational; void of reason or understanding; as, brutes are irrational animals

**Etymology:**[L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]Irrationaladjective

not according to reason; absurd; foolish

**Etymology:**[L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]Irrationaladjective

not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; -- said especially of roots. See Surd

**Etymology:**[L. irrationalis: cf. F. irrationnel. See In- not, and Rational.]

### Chambers 20th Century Dictionary

Irrational

ir-rash′un-al,

*adj.*void of reason or understanding: absurd.—*n.***Irrational′ity**.—*adv.***Irra′tionally**.—**Irrational numbers**, a term applied to those roots of numbers which cannot be accurately expressed by a finite number of figures—e.g. √2 is an irrational number.

### Matched Categories

### Numerology

Chaldean Numerology

The numerical value of irrational in Chaldean Numerology is:

**9**Pythagorean Numerology

The numerical value of irrational in Pythagorean Numerology is:

**9**

### Examples of irrational in a Sentence

Life without a taste of

**irrational**, of crazy, is a boring book.How do we know when

**irrational**exuberance has unduly escalated asset valuesWoman can't support her selfish thought with a wise man's proverb, so she has to take the help of only a wicked person's quote to bolster her

**irrational**points.Auguste Comte, Philosophie Positive (1830):

Every attempt to employ mathematical methods in the study of chemical questions must be considered profoundly

**irrational**and contrary to the spirit of chemistry... If mathematical analysis should ever had prominent place in chemistry - an aberration, which is happily almost impossible - it would be a rapid and widespread degeneration of that science.The more I work with the body, keeping my assumptions in a temporary state of reservation, the more I appreciate and sympathize with a given "disease." The body no longer appears as a sick or

**irrational**demon, but as a process with its own inner logic and wisdom.

### Popularity rank by frequency of use

## Translations for **irrational**

### From our Multilingual Translation Dictionary

- غير منطقيArabic
- irracional, bèstiaCatalan, Valencian
- iracionálníCzech
- irrational, irrationelDanish
- irrationalGerman
- άρρητοςGreek
- malracia, neracionalaEsperanto
- irracionalSpanish
- irrationaalinen, epälooginenFinnish
- irrationnelle, irrationnelFrench
- irracionalGalician
- तर्कहीनHindi
- irracionális, ésszerűtlenHungarian
- իռացիոնալArmenian
- óræður, óræð talaIcelandic
- irrazionaleItalian
- 無理数, 無理, 不合理, 筋違いJapanese
- 불합리한, 무리수Korean
- onredelijke, onzinnige, irrationale, onzinnig, irrationeel, irrationaal, onredelijk, irrationeleDutch
- irrasjonalNorwegian Nynorsk
- irrasjonell, irrasjonalNorwegian
- irracjonalny, nieracjonalny, [[liczba]] [[niewymierna]], niewymiernyPolish
- irracionalPortuguese
- irațional, neraționalRomanian
- иррациональный, нерациональныйRussian
- iracionalan, nerazumanSerbo-Croatian
- irrationellSwedish
- అసంబద్ధముTelugu
- phi lýVietnamese

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"irrational." *Definitions.net.* STANDS4 LLC, 2021. Web. 20 Sep. 2021. <https://www.definitions.net/definition/irrational>.