About The Word Irrational

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Irrational

Irrational Meaning & Definition
Irrational Definition And Meaning

What's The Definition Of Irrational?

[adj] not consistent with or using reason; "irrational fears"; "irrational animals"
[adj] (math) real but not expressible as the quotient of two integers; "irrational numbers"

Synonyms | Synonyms for Irrational: blind | incoherent | jaundiced | nonrational | reasonless | superstitious | unreasoning | yellow

Related Terms | Find terms related to Irrational: abnormal | absonant | algorismic | algorithmic | aliquot | bereft of reason | bigoted | brainless | brainsick | cardinal | contradictory | contrary to reason | crackbrained | cracked | crazed | crazy | daft | decimal | deluded | demented | deprived of reason | deranged | differential | digital | disoriented | distraught | even | exponential | extravagant | extreme | extremist | fallacious | fanatic | faulty | figural | figurate | figurative | finite | flawed | flighty | foolish | fractional | haggard | hallucinated | headless | ignorant | ill-advised | ill-considered | ill-contrived | ill-devised | ill-gauged | ill-judged | illogical | imaginary | impair | impolitic | impossible | imprudent | inadvisable | inauthentic | inconclusive | incongruous | inconsequent | inconsequential | inconsiderate | inconsistent | indiscreet | inept | inexpedient | infinite | injudicious | inordinate | insane | insensate | integral | invalid | lackbrained | lean-minded | lean-witted | loco | logarithmic | logometric | loose | lunatic | mad | maddened | manic | mazed | mental | mentally deficient | meshuggah | mindless | misadvised | misguided | moon-struck | myopic | negative | non compos | non compos mentis | nonrational | nonscientific | not all there | not bright | not following | not right | numeral | numerary | numerative | numeric | odd | of little brain | of unsound mind | off | ordinal | overenthusiastic | overreligious | overzealous | pair | paralogical | pea-brained | perfervid | pin-brained | positive | possible | prime | psycho | queer | rabid | radical | rational | real | reasonless | reciprocal | reckless | self-annulling | self-contradictory | self-refuting | senseless | shortsighted | sick | slackminded | slackwitted | sophistic | stark-mad | stark-staring mad | strange | submultiple | surd | tetched | thoughtless | touched | transcendental | ultrazealous | unadvised | unauthentic | unbalanced | unconnected | unconsidered | undiscerning | unforeseeing | ungifted | unhinged | unintellectual | unintelligent | unphilosophical | unreasonable | unreasoning | unreflecting | unreflective | unsane | unscientific | unseeing | unsensible | unsettled | unsound | untalented | unthinking | unthoughtful | unwise | wandering | wild-eyed | wild-looking | without reason | witless | zealotic

See Also | illogical | unlogical | unreasonable

Irrational In Webster's Dictionary

\Ir*ra"tion*al\, a. [L. irrationalis: cf. F. irrationnel. See {In-} not, and {Rational}.] 1. Not rational; void of reason or understanding; as, brutes are irrational animals. 2. Not according to reason; absurd; foolish. It seemed utterly irrational any longer to maintain it. --I. Taylor. 3. (Math.) Not capable of being exactly expressed by an integral number, or by a vulgar fraction; surd; -- said especially of roots. See {Surd}. Syn: Absurd; foolish; preposterous; unreasonable; senseless. See {Absurd}.

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