Dictionary.com

irrationality

[ ih-rash-uh-nal-i-tee ]
/ ɪˌræʃ əˈnæl ɪ ti /
Save This Word!

noun, plural ir·ra·tion·al·i·ties for 2.
the quality or condition of being irrational.
an irrational, illogical, or absurd action, thought, etc.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?

Origin of irrationality

First recorded in 1560–70; irrational + -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use irrationality in a sentence

British Dictionary definitions for irrationality

irrationality

irrationalism

/ (ɪˌræʃəˈnælɪtɪ) /

noun
the state or quality of being irrational
irrational thought, action, or behaviour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK