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irrational    音标拼音: [ɪr'æʃənəl]
n. 无理数
a. 无理性的,不合理的

无理数无理性的,不合理的

irrational
adj 1: not consistent with or using reason; "irrational fears";
"irrational animals" [ant: {rational}]
2: real but not expressible as the quotient of two integers;
"irrational numbers" [ant: {rational}]
n 1: a real number that cannot be expressed as a rational number
[synonym: {irrational number}, {irrational}]

irrational \ir*ra"tion*al\ ([i^]r*r[a^]sh"[u^]n*al), a. [L.
irrationalis: cf. F. irrationnel. See {In-} not, and
{Rational}.]
[1913 Webster]
1. Not rational; void of reason or understanding; as, brutes
are irrational animals.
[1913 Webster]

2. 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.
[1913 Webster PJC]

It seemed utterly irrational any longer to maintain
it. --I. Taylor.
[1913 Webster]

3. (Math.) Not capable of being exactly expressed by an
integral number, nor by a ratio of integral numbers; surd;
-- said especially of roots. See {Surd}.

Syn: Absurd; foolish; preposterous; unreasonable; senseless.
See {Absurd}.
[1913 Webster]

185 Moby Thesaurus words for "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


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  • IRRATIONAL Definition Meaning - Merriam-Webster
    The meaning of IRRATIONAL is not rational How to use irrational in a sentence
  • IRRATIONAL | English meaning - Cambridge Dictionary
    IRRATIONAL definition: 1 not using reason or clear thinking: 2 (of a number) that cannot be expressed as the ratio of… Learn more
  • IRRATIONAL Definition Meaning | Dictionary. com
    IRRATIONAL definition: without the faculty of reason; deprived of reason See examples of irrational used in a sentence
  • The Irrational - Wikipedia
    The Irrational is an American crime drama television series created by Arika Mittman It is loosely based on the life of Dan Ariely, a behavioral economist and professor at Duke University, and his 2008 non-fiction book Predictably Irrational: The Hidden Forces That Shape Our Decisions [1]
  • IRRATIONAL Synonyms: 89 Similar and Opposite Words - Merriam-Webster
    Synonyms for IRRATIONAL: unreasonable, unreasoning, illegitimate, unreasoned, illogical, misleading, absurd, weak; Antonyms of IRRATIONAL: rational, reasonable, logical, valid, sound, sensible, wise, sane
  • Irrational - Definition, Meaning Synonyms | Vocabulary. com
    Usually you use irrational to describe ideas and thoughts that are not based on reason, although emotions and behavior can be irrational too if they don't seem reasonable Do you jump onto a chair and scream when you see a mouse? If so, you have an irrational fear of mice, or musophobia
  • Irrational - definition of irrational by The Free Dictionary
    Define irrational irrational synonyms, irrational pronunciation, irrational translation, English dictionary definition of irrational 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
  • The Irrational (TV Series 2023–2025) - IMDb
    Enter The Irrational (2023) where an expert in human behavior helps law enforcement We are immediately exposed to his backstory, which I am sure we will further explore in forthcoming episodes
  • Irrational number - Wikipedia
    In mathematics, the irrational numbers are all the real numbers that are not rational numbers; that is, irrational numbers are those that cannot be expressed as the ratio of two integers
  • The Irrational - NBC. com
    The Irrational – Watch episodes on NBC com and the NBC App Jesse L Martin stars as a behavioral science professor solving tough cases





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