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Beastly vs Irrational - What's the difference?

beastly | irrational | Synonyms |

As adjectives the difference between beastly and irrational

is that beastly is pertaining to, or having the form, nature, or habits of, a beast while irrational is not rational; unfounded or nonsensical.

As an adverb beastly

is like a beast; brutishly.

As a noun irrational is

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

beastly

English

Adjective

(en-adj)
  • (UK) Pertaining to, or having the form, nature or habits of, a beast.
  • (UK) Characterizing the nature of a beast; contrary to the nature and dignity of man; brutal; filthy.
  • (UK, dated) Abominable.
    • beastly weather

    Usage notes

    Most often used pejoratively. is more narrow, though also often used pejoratively.

    Synonyms

    * (like a beast) bestial, animalian

    Adverb

    (en adverb)
  • Like a beast; brutishly.
  • * 1590 , (Edmund Spenser), The Faerie Queene , III.8:
    • Beastly he threwe her downe, ne car'd to spill / Her garments gay with scales of fish that all did fill.
  • * 1901 , The Literary World - Volume 63 - Page 35:
    • They have insulted me most beastly . Moreover, they are, everyone of them, black-satan filthmen.

    irrational

    English

    Adjective

    (en adjective)
  • Not rational; unfounded or nonsensical.
    • an irrational decision
  • * July 18 2012 , Scott Tobias, AV Club The Dark Knight Rises [http://www.avclub.com/articles/the-dark-knight-rises-review-batman,82624/]
    • Where the Joker preys on our fears of random, irrational acts of terror, Bane has an all-consuming, dictatorial agenda that’s more stable and permanent, a New World Order that’s been planned out with the precision of a military coup.
  • (mathematics, arithmetic, number theory, not comparable) Of a real number, that cannot be written as the ratio of two integers.
    • The number π is irrational .

    Antonyms

    * (mathematics) rational

    Hyponyms

    * (mathematics) transcendental

    Derived terms

    * irrational number * irrationality * irrationalize * irrationalization

    Noun

    (en noun)
  • A real number that can not be expressed as the quotient of two integers, an irrational number.
  • * 1946 , (Bertrand Russell), History of Western Philosophy , I.24:
    • The square root of 2, which was the first irrational to be discovered, was known to the early Pythagoreans, and ingenious methods of approximating to its value were discovered.