different between humorous vs irrational

English

Etymology

From Middle English humorous (compare Medieval Latin h?mor?sus), equivalent to humor +? -ous.

Pronunciation

• (UK) enPR: hyo?o'm?r?s, IPA^(key): /?hju?m???s/
• (US) IPA^(key): /?hju?m???s/
• Homophone: humerus

Adjective

humorous (comparative more humorous, superlative most humorous)

1. Full of humor or arousing laughter; funny.

   The waiters were so humorous - one even did a backflip for us, when we asked him.

2. Showing humor; witty, jocular.
3. (obsolete) Damp or watery.
4. (obsolete) Dependent on or caused by one's humour or mood; capricious, whimsical.

Usage notes

While the spelling humour is preferred over humor in British English, humorous is standard in both American and British English, and humourous is nonstandard.

Synonyms

• (arousing laughter): amusing, funny
• (witty): amusing, jocular, witty
• See also Thesaurus:funny
• See also Thesaurus:witty

Derived terms

• humorously

Related terms

• humor, humour

Translations

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