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
What irrational thinking this new mayor has shown!
—
Voice Of The People, New York Daily News, 27 Feb. 2026
This is far from an irrational worry.
—Rebecca Boyle, The Atlantic, 18 Feb. 2026
Seb Stafford-Bloor LA Lakers/New York Knicks (NBA) The hardest coaching job is one where expectations are high, patience is low and, sometimes, the view is irrational.
—The Athletic Staff, New York Times, 15 Feb. 2026
Those sorts of things are irrational to me.
—CBS News, 15 Feb. 2026
See All Example Sentences for irrational
Voice Of The People, New York Daily News, 27 Feb. 2026
This is far from an irrational worry.
—Rebecca Boyle, The Atlantic, 18 Feb. 2026
Seb Stafford-Bloor LA Lakers/New York Knicks (NBA) The hardest coaching job is one where expectations are high, patience is low and, sometimes, the view is irrational.
—The Athletic Staff, New York Times, 15 Feb. 2026
Those sorts of things are irrational to me.
—CBS News, 15 Feb. 2026
See All Example Sentences for irrational
Recent Examples of Synonyms for irrational
Adjective
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Because college football players can’t unionize and bargain rules, anti-tampering and other prohibitions aren’t exempt from antitrust scrutiny and can be challenged as unreasonable restraints on trade and price-fixing schemes.—
Michael McCann,
Sportico.com,
12 Mar. 2026
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Attorneys general for 16 Democratic states argue the policy jeopardizes student privacy and forces schools to meet an unreasonable deadline.—
Jaweed Kaleem,
Los Angeles Times,
12 Mar. 2026
Adjective
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Bainbridge knew about secrets and unreasoning shame.—
Christopher Tayler,
Harpers Magazine,
27 Jan. 2026
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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
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But then a mysterious Romany woman (Rebecca Ferguson) turns up, and persuades him to return to Birmingham, in order to bring his violent illegitimate son (Barry Keoghan) – who now runs his Peaky Blinders mob – to heel.—
The Week UK,
TheWeek,
12 Mar. 2026
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In a July public comment letter, Experian argued it should not be required to respond to individual CFPB complaints and that the vast majority of those filed recently are illegitimate.—
Joel Jacobs,
CNN Money,
11 Mar. 2026
Cite this Entry
“Irrational.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irrational. Accessed 16 Mar. 2026.
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