surd

adjective

Definition of surdnext
as in irrational

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Example Sentences

Recent Examples of Synonyms for surd
  1. irrational
  2. illogical
  3. nonrational
  4. unreasoning
  5. fallacious
  6. unreasonable
  7. imbecile
  8. thoughtless
Adjective
  • Between restructuring waves, automation fears and flattening hierarchies, that concern isn’t always irrational.
    — Jonathan H. Westover, Forbes.com, 29 Sep. 2026
  • The fact, in other words, that there often isn’t a right answer or a clear victor—and that rational people are subject to irrational forces within and above them.
    — Max Norman, Harpers Magazine, 22 Sep. 2026
Definition of irrational
Adjective
  • But that’s illogical, given the enormous ratings for the Seahawks–Patriots game, which was shown on the NBC broadcast network and the Peacock streaming service.
    — Brian Stelter, CNN Money, 15 Sep. 2026
  • Trump's resumption of his illogical on-again, off-again trade war with our ally to the north has caused considerable economic concern in Canada, but has also activated a rush of resilience that Republicans in America can only dream of.
    — Chris Brennan, USA Today, 10 Sep. 2026
Definition of illogical
Adjective
  • Mid-century collective behavior theories considered social movements to be nonrational, spontaneous events occurring during moments of social and cultural breakdown.
    — The Editors, JSTOR Daily, 10 Sep. 2025
Definition of nonrational
Adjective
  • But in each event—in the living act, the undoubted deed—there, some unknown but still reasoning thing puts forth the mouldings of its features from behind the unreasoning mask.
    — Literary Hub, Literary Hub, 6 July 2026
  • Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated.
    — New York Times, New York Times, 9 June 2026
Definition of unreasoning
Adjective
  • Defenders of Israel believe that designation is fallacious and dangerous.
    — Gary Baum, HollywoodReporter, 13 July 2026
  • There is a widespread but fallacious perception that India's tariffs are inordinately high.
    — Mohan Kumar, MSNBC Newsweek, 31 Aug. 2025
Definition of fallacious
Adjective
  • But several individually reasonable events, viewed together and over time, can tell an unreasonable story.
    — Shahen Minasyan, Forbes.com, 24 Sep. 2026
  • At the outset of the Biden administration in January 2021, NASA was still targeting a 2024 lunar landing, even though this was widely seen as unreasonable.
    — Eric Berger, ArsTechnica, 23 Sep. 2026
Definition of unreasonable
Adjective
  • Prep school was one such imbecile society.
    — Jessica Winter, New Yorker, 7 May 2026
Definition of imbecile
Adjective
  • Or maybe he was lured into his thoughtless comments because of the jocularity inside that room full of reporters.
    — Candace Buckner, New York Times, 16 Sep. 2026
  • At the outset of this chatty novel, the protagonist, Caroline, who was recently ghosted by a thoughtless man, has had a story published in this magazine.
    — The New Yorker, New Yorker, 10 Aug. 2026
Definition of thoughtless
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.

Browse Nearby Words

surcoats
surd
sure
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Cite this Entry

“Surd.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/surd. Accessed 4 Oct. 2026.

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