rationality
noun
ra·tio·nal·i·ty
ˌra-shə-ˈna-lə-tē 
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
Someone in a position of authority can remove all rationality from a person’s responses.
—
Mike Sacks, Vulture, 4 Dec. 2024
And a law like that can't stand on their rationality.
—Devin Dwyer, ABC News, 4 Dec. 2024
At the heart of the row over Emma Raducanu’s decision to blow off her Wimbledon mixed doubles date with Andy Murray is an irresistible three-way tug-of-war between emotion, rationality and karma that could only unfold in tennis.
—Matthew Futterman, The Athletic, 7 July 2024
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
See all Example Sentences for rationality 
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.
Mike Sacks, Vulture, 4 Dec. 2024
And a law like that can't stand on their rationality.
—Devin Dwyer, ABC News, 4 Dec. 2024
At the heart of the row over Emma Raducanu’s decision to blow off her Wimbledon mixed doubles date with Andy Murray is an irresistible three-way tug-of-war between emotion, rationality and karma that could only unfold in tennis.
—Matthew Futterman, The Athletic, 7 July 2024
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
See all Example Sentences for rationality
Dictionary Entries Near rationality
Cite this Entry
“Rationality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rationality. Accessed 21 Dec. 2024.
Copy CitationKids Definition
rationality
noun
ra·tio·nal·i·ty
ˌrash-ə-ˈnal-ət-ē
: the quality or state of being rational
Medical Definition
rationality
noun
ra·tio·nal·i·ty
ˌrash-ə-ˈnal-ət-ē
plural rationalities
1
: the quality or state of being rational
2
: the quality or state of being agreeable to reason
Love words? Need even more definitions?
Merriam-Webster unabridged
Share