as in unreasonable
not using or following good reasoning
it's irrational to think that you can continue to consume an excess of calories and not gain weight
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
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.
Recent Examples of irrational
Flesh often stretches, melts, and ruptures, yes, but always in service of core principles: one way or another, the body must react and adapt to its own irrational desires, and to the seeping, churning influences of its environment.
—
Justin Chang, New Yorker, 11 Apr. 2025
Newsom appeals ‘irrational and malicious’ decision to cut USDA food assistance program
What else is going on
A driver crashed a van into crowd of shoppers in L.A.’s Santee Alley, injuring nine, including three children
Southern California is expected to get possible record-breaking heat this week.
—Ryan Fonseca, Los Angeles Times, 8 Apr. 2025
Anything different would seem irrational or, in plain language, stupid.
—Piotr Winkielman, The Conversation, 4 Apr. 2025
Added to the chaos is the underlying rudimentary calculation of tariff levels that have produced wildly uneven and irrational effects on trading partners with no readily discernible policy value.
—Jerrold Lundquist, Forbes.com, 5 Apr. 2025
See All Example Sentences for irrational
Justin Chang, New Yorker, 11 Apr. 2025
Newsom appeals ‘irrational and malicious’ decision to cut USDA food assistance program
What else is going on
A driver crashed a van into crowd of shoppers in L.A.’s Santee Alley, injuring nine, including three children
Southern California is expected to get possible record-breaking heat this week.
—Ryan Fonseca, Los Angeles Times, 8 Apr. 2025
Anything different would seem irrational or, in plain language, stupid.
—Piotr Winkielman, The Conversation, 4 Apr. 2025
Added to the chaos is the underlying rudimentary calculation of tariff levels that have produced wildly uneven and irrational effects on trading partners with no readily discernible policy value.
—Jerrold Lundquist, Forbes.com, 5 Apr. 2025
See All Example Sentences for irrational
Cite this Entry
“Irrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irrational. Accessed 30 Apr. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share