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
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Recent Examples of irrational
His new film follows a young musician with gerontophobia, whose irrational fear of ageing and death sees her neglect her dying parents.
—
Melanie Goodfellow, Deadline, 30 Apr. 2026
Surveys show a 50-50 divide, but Trump’s real base is his same irrational 30%.
—Sun Sentinel Editorial Board, Sun Sentinel, 24 Apr. 2026
Letting Jinx stay is yet another act of irrational love from Margo.
—Erin Qualey, Vulture, 15 Apr. 2026
That resistance is not irrational.
—Nick Lichtenberg, Fortune, 15 Apr. 2026
See All Example Sentences for irrational
Melanie Goodfellow, Deadline, 30 Apr. 2026
Surveys show a 50-50 divide, but Trump’s real base is his same irrational 30%.
—Sun Sentinel Editorial Board, Sun Sentinel, 24 Apr. 2026
Letting Jinx stay is yet another act of irrational love from Margo.
—Erin Qualey, Vulture, 15 Apr. 2026
That resistance is not irrational.
—Nick Lichtenberg, Fortune, 15 Apr. 2026
See All Example Sentences for irrational
Recent Examples of Synonyms for irrational
Adjective
-
Sterling failed to live up to unreasonable expectations created by his huge contract, which quickly became a millstone.—
Liam Twomey,
New York Times,
15 May 2026
-
The construction strikes many locals as both unreasonable and unstoppable.—
Rachel Monroe,
New Yorker,
14 May 2026
Adjective
-
Bainbridge knew about secrets and unreasoning shame.—
Christopher Tayler,
Harpers Magazine,
27 Jan. 2026
-
Let sound political prescience but take the place of an unreasoning prejudice, and this will be done.—
Frederick Douglass,
The Atlantic,
16 Aug. 2017
Adjective
-
The nuns then took it upon themselves to make arrangements for the illegitimate child.—
Literary Hub,
Literary Hub,
8 May 2026
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The credit bureaus have said that many recent complaints are illegitimate, including a large volume filed by third-party credit repair organizations that charge customers to challenge negative information on their reports.—
Joel Jacobs,
ProPublica,
4 May 2026
Cite this Entry
“Irrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irrational. Accessed 21 May. 2026.
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