irrational

ir·ra·tion·al  (-rsh-nl)

adj.

1.

a. Not endowed with reason.

b. Affected by loss of usual or normal mental clarity; incoherent, as from shock.

c. Marked by a lack of accord with reason or sound judgment: an irrational dislike.

2.

a. Being a syllable in Greek and Latin prosody whose length does not fit the metric pattern.

b. Being a metric foot containing such a syllable.

3. Mathematics Of or relating to an irrational number.

n. Mathematics

An irrational number.

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ir·ration·al·ly adv.

ir·ration·al·ness n.

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irrational [ɪˈræʃən^əl]

adj

1. inconsistent with reason or logic; illogical; absurd

2. incapable of reasoning

3. (Mathematics) Maths

a.  not rational

b.  (as noun) an irrational

4. (Literature / Poetry) Prosody (in Greek or Latin verse)

a.  of or relating to a metrical irregularity, usually the occurrence of a long syllable instead of a short one

b.  denoting a metrical foot where such an irregularity occurs

irrationally  adv

irrationalness  n

Thesaurus

Noun	1.	irrational - a real number that cannot be expressed as a rational number irrational number real, real number - any rational or irrational number transcendental number - an irrational number that is not algebraic algebraic number - root of an algebraic equation with rational coefficients
Adj.	1.	irrational - not consistent with or using reason; "irrational fears"; "irrational animals" incoherent - without logical or meaningful connection; "a turgid incoherent presentation" illogical, unlogical - lacking in correct logical relation unreasonable - not reasonable; not showing good judgment rational - consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"
	2.	irrational - real but not expressible as the quotient of two integers; "irrational numbers" math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement rational - capable of being expressed as a quotient of integers; "rational numbers"

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irrational

adjective

1. illogical, crazy, silly, absurd, foolish, unreasonable, unwise, preposterous, idiotic, nonsensical, unsound, unthinking, injudicious, unreasoning an irrational fear of science
illogical sound, wise, reasonable, sensible, rational, logical, judicious, circumspect

2. senseless, wild, crazy, unstable, insane, mindless, demented, aberrant, brainless They behaved in such a bizarre and irrational manner.

Translations

irrational [ɪˈræʃənl] ADJ [behaviour, person, belief] → irracional

irrational [ɪˈræʃ^ənəl] adj

[feeling, behaviour, idea, belief] → irrationnel(le)
an irrational fear of science → une peur irrationnelle de la science

[argument] → irrationnel(le)
to be irrational → être irrationnel

irrational

adj

(= illogical, also Math, Psych) → irrational; fear, belief → unsinnig, irrational; (= not sensible) → unvernünftig; he had become quite irrational about it → er hatte eine irrationale Einstellung dazu entwickelt; if you maintain X, then it is irrational to deny Y → wenn Sie X behaupten, ist es widersinnig or unlogisch, Y zu leugnen

(= not having reason) animal → vernunftlos

irrational [ɪˈræʃənl] adj → irrazionale
an irrational fear → una paura irrazionale
he had become quite irrational about it → era diventato piuttosto irragionevole al riguardo

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irrational [ɪˈræʃənl] adj → irrazionale
an irrational fear → una paura irrazionale
he had become quite irrational about it → era diventato piuttosto irragionevole al riguardo