different between irrational vs inane

English

Etymology

From Latin irrati?n?lis, from ir- + rati?n?lis.

Pronunciation

• enPR: ?r?'sh(?)n?l, IPA^(key): /???æ?.(?.)n?l/

Adjective

irrational (comparative more irrational, superlative most irrational)

1. Not rational; unfounded or nonsensical.
   • July 18, 2012, Scott Tobias, AV Club The Dark Knight Rises[1]

     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.

2. (mathematics, arithmetic, number theory, not comparable) Of a real number, that cannot be written as the ratio of two integers.

   Antonym: rational

   Hyponym: transcendental

Derived terms

Translations

Noun

irrational (plural irrationals)

1. 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.

Translations

German

Alternative forms

• irrationell

Pronunciation

• IPA^(key): /???at?si?ona?l/, /??at?si?o?na?l/

Adjective

irrational (comparative irrationaler, superlative am irrationalsten)

1. irrational

Declension

English

Etymology

From Middle French inane, from Latin in?nis (“empty, vain, useless”) which is of unknown origin.

Pronunciation

• IPA^(key): /??ne?n/
• Rhymes: -e?n

Adjective

inane (comparative inaner or more inane, superlative inanest or most inane)

1. Lacking sense or meaning (often to the point of boredom or annoyance)

   (lacking sense): Synonyms: silly, fatuous, vapid

2. Purposeless; pointless
   • 1832, Isaac Taylor, Saturday Evening

     Vague and inane instincts.

Derived terms

Translations

Noun

inane (plural inanes)

1. That which is void or empty.

   • The undistinguishable inane of infinite space.

   • 1881, Robert Louis Stevenson, Virginibus Puerisque:

     [...] whom we watch as we watch the clouds careering in the windy, bottomless inane, or read about like characters in ancient and rather fabulous annals.

Anagrams

• -anine, Annie, nenia

Italian

Etymology

From Latin in?nis.

Pronunciation

• IPA^(key): /i?na.ne/
• Hyphenation: i?nà?ne

Adjective

inane (plural inani) (literary)

1. (rare) empty, void, hollow

   Synonyms: (literary) vacuo, vuoto

   Antonyms: colmo, pieno

2. useless, vain, inane

   Synonyms: inconcludente, infruttuoso, inutile, (literary) irrito, vano

   Antonym: utile

Derived terms

• inanità

Anagrams

• nenia

References

• inane in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

Latin

Adjective

in?ne

1. nominative neuter singular of in?nis
2. accusative neuter singular of in?nis
3. vocative neuter singular of in?nis

References

• inane in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• inane in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book?^[1], London: Macmillan and Co.

Portuguese

Etymology

From Latin in?nis.

Adjective

inane m or f (plural inanes, comparable)

1. inane (lacking sense or meaning)

   Synonyms: vão, vazio, fútil

Related terms

• inanição

Spanish

Etymology

From Latin in?nis.

Adjective

inane (plural inanes)

1. inane; pointless