as in unreasonable
having no basis in reason or fact
the accusation proved to be unfounded
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Recent Examples of unfounded
However, Lifetouch says those claims are unfounded.
—
Zachary Bynum, CBS News, 4 Mar. 2026
Connecticut needs regulations that reflect the economic and biological reality of 2026, not unfounded fears of the past.
—Rino Ferrarese, Hartford Courant, 27 Feb. 2026
The fears are not unfounded, according to staff attorney Lisa Femia of the Electronic Frontier Foundation.
—Ryan MacAsero, Mercury News, 26 Feb. 2026
Though historically unfounded, this assertion electrified European esoteric circles.
—Literary Hub, 26 Feb. 2026
See All Example Sentences for unfounded
Zachary Bynum, CBS News, 4 Mar. 2026
Connecticut needs regulations that reflect the economic and biological reality of 2026, not unfounded fears of the past.
—Rino Ferrarese, Hartford Courant, 27 Feb. 2026
The fears are not unfounded, according to staff attorney Lisa Femia of the Electronic Frontier Foundation.
—Ryan MacAsero, Mercury News, 26 Feb. 2026
Though historically unfounded, this assertion electrified European esoteric circles.
—Literary Hub, 26 Feb. 2026
See All Example Sentences for unfounded
Recent Examples of Synonyms for unfounded
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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In Islamabad, Pakistan's Information Ministry said the claim was baseless.—
MUNIR AHMED,
Arkansas Online,
15 Mar. 2026
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In Islamabad, Pakistan’s Information Ministry said the claim was baseless.—
Munir Ahmed,
Los Angeles Times,
14 Mar. 2026
Adjective
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Lawmakers, judges and other public servants, all under groundless presidential attack.—
James D. Zirin,
Washington Post,
3 Feb. 2026
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Similarly, the course of action that will bring recovery—reviving domestic manufacturing, revitalizing small towns, ensuring fairness for farmers and working people—is not an impossibility that will poison our minds with groundless optimism.—
Rosa Lyster,
Harpers Magazine,
30 Dec. 2025
Adjective
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Hungarian Prime Minister Viktor Orbán doubled down Monday on an unsubstantiated claim that Ukraine is deliberately holding back shipments of Russian oil, and accused Kyiv of seeking to topple his government.—
SAM McNEIL,
Arkansas Online,
24 Feb. 2026
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Hungarian Prime Minister Viktor Orbán doubled down Monday on an unsubstantiated allegation that Ukraine is deliberately holding back shipments of Russian oil, and accused Kyiv of seeking to topple his government.—
ABC News,
ABC News,
23 Feb. 2026
Cite this Entry
“Unfounded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfounded. Accessed 16 Mar. 2026.
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