Definitions
irrational Tweet Definition of irrational Like Definition of irrational on Facebook
adjective ((compar) more irrational, (superl) most irrational)
  1. Not rational; unfounded or nonsensical.
an irrational decision
  1. (mathematics) (no comparative or superlative) Of a real number, that cannot be written as the ratio of two integers.
The number π is irrational.
Translations: 
  • Dutch: irrationaal, irrationale
  • German: irrational
  • French: irrationnel , irrationnelle
Etymology: From ancient Greececirca 500 B.C."Irrational" originally meant only that a number could not be expressed as a ratio. But for the pythagoreans it came to mean something threatening, a hint that their world view might not make sense, which is today the other meaning of "irrational".
  • ir- + rational



Supplemental Details:Sponsor an extended definition for irrational for as little as $10 per month. Click here to contact us.

     
  

 Find:
  Words Starting With:
  Words Ending With:
  Words Containing:
  Words That Match:

 
 Translate Into:
  
Dutch   French   German
  
Italian   Spanish
    Show results per page.

Browse the Dictionary
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

   
Dictionary content provided from Wiktionary.org under the GNU Free Documentation License
Allwords Copyright 1998-2024 All rights reserved.