View synonyms for irrational

irrational

[ih-rash-uh-nl, -rash-nl]

Phonetic (Standard)IPA

adjective

without the faculty of reason; deprived of reason.
without or deprived of normal mental clarity or sound judgment.
not in accordance with reason; utterly illogical.
irrational arguments.
Synonyms: insensate, ridiculous, unreasonable
not endowed with the faculty of reason.
irrational animals.
Mathematics.
1. (of a number) not capable of being expressed exactly as a ratio of two integers.
2. (of a function) not capable of being expressed exactly as a ratio of two polynomials.
Algebra., (of an equation) having an unknown under a radical sign or, alternately, with a fractional exponent.
Greek and Latin Prosody.
1. of or relating to a substitution in the normal metrical pattern, especially a long syllable for a short one.
2. noting a foot or meter containing such a substitution.

irrational

/ ɪˈræʃənəl /

inconsistent with reason or logic; illogical; absurd
incapable of reasoning
maths
1. not rational
2. ( as noun )
  an irrational
prosody
1. of or relating to a metrical irregularity, usually the occurrence of a long syllable instead of a short one
2. denoting a metrical foot where such an irregularity occurs

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First recorded in 1425–75; late Middle English, from Latin irratiōnālis; ir- ² ( def. ), rational ( def. )

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Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Speaking to MSPs, unions said the plans were irrational and the result of "panicked" decisions.

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