as in irrational
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Recent Examples of Synonyms for surd
Adjective
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The reflex, from a distance, is to call this irrational.
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If people believe regulatory caution invalidates every legal claim, courts may look irrational.
Adjective
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In spite of D'Arcy's best efforts, Rhaenyra is an impenetrable character with illogical choices and zero magnetism to the viewers (or seemingly, her councilors).
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On the outside, firing the coach of a first-place team seemed illogical.
Adjective
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Mid-century collective behavior theories considered social movements to be nonrational, spontaneous events occurring during moments of social and cultural breakdown.
Adjective
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Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated.
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Bainbridge knew about secrets and unreasoning shame.
Adjective
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There is a widespread but fallacious perception that India's tariffs are inordinately high.
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The same economists who believe in the same fallacious economic notions?
Adjective
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If these requirements are not met, the search is unreasonable and therefore unlawful, and evidence obtained in that search cannot be used in court, barring a good-faith exception.
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Justices ruled that sweeping use of cellphone data requires a warrant, a decision applying the Fourth Amendment, which protects against unreasonable searches and seizures, to new technology.
Adjective
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Prep school was one such imbecile society.
Adjective
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This tragedy serves as a powerful reminder that no family should have to bury a child because of someone’s thoughtless and irresponsible choices.
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This rhetoric is not just the thoughtless ramblings of mindless partisans.
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“Surd.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/surd. Accessed 5 Jul. 2026.
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