rationality

noun

ra·​tio·​nal·​i·​ty ˌra-shə-ˈna-lə-tē How to pronounce rationality (audio)
plural rationalities
1
: the quality or state of being rational
2
: the quality or state of being agreeable to reason : reasonableness
3
: a rational opinion, belief, or practice
usually used in plural

Examples of rationality in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The results were not an indictment of Democratic policies, but an indictment of Americans’ character — Americans who ignored rationality and chose their pocketbooks over morality and ethics. Letters To The Editor, The Mercury News, 13 Nov. 2024 The conversation demonstrated Purdy’s rationality — but also his competitive fire. Torrey Hart, The Athletic, 31 July 2024 Modern men were influenced by reason and rationality, rather than a deity. Alison Habens, JSTOR Daily, 31 Oct. 2024 Though Young has a clear, lovely voice and an appealing matter-of-factness about her, neither Lloyd nor the show seems very interested in Betty’s B-plot, maybe because its girl-next-door sweetness and rationality feel wan beside the play’s central house of horrors. Sara Holdren, Vulture, 20 Oct. 2024 See all Example Sentences for rationality 

Word History

First Known Use

1628, in the meaning defined at sense 1

Time Traveler
The first known use of rationality was in 1628

Dictionary Entries Near rationality

Cite this Entry

“Rationality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rationality. Accessed 2 Dec. 2024.

Kids Definition

rationality

noun
ra·​tio·​nal·​i·​ty ˌrash-ə-ˈnal-ət-ē How to pronounce rationality (audio)
: the quality or state of being rational

Medical Definition

rationality

noun
ra·​tio·​nal·​i·​ty ˌrash-ə-ˈnal-ət-ē How to pronounce rationality (audio)
plural rationalities
1
: the quality or state of being rational
2
: the quality or state of being agreeable to reason
Last Updated: - Updated example sentences
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