as in unreasonable
having no basis in reason or fact
baseless rumors that the baseball player was using steroids
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Recent Examples of baseless
The Secretary of State did not provide him an opportunity to address his baseless accusations before rushing to judgment and to the press.
—
Olivia Rubin, ABC News, 26 Feb. 2026
The cost of fighting these baseless lawsuits is so high that, most often, a settlement becomes the only rational option.
—Nick Payzant, Oc Register, 25 Feb. 2026
Once upon a time, she and Heughan’s steamy, kilt-ripping scenes were the talk of the town—and sparked incessant, baseless speculation about the nature of their off-screen relationship.
—Savannah Walsh, Vanity Fair, 23 Feb. 2026
This is yet another baseless claim.
—Steve H. Hanke, Fortune, 23 Feb. 2026
Despite the complaints that had been brought forward by school district employees, Cherry Creeks School said an investigation in 2025 came up as baseless and unfounded.
—Jack Lowenstein, CBS News, 21 Feb. 2026
Ex-Israeli intelligence officials told Fox News Digital that Epstein never worked for Mossad, describing the allegation as baseless and inconsistent with how the agency operates.
—Efrat Lachter , Amelie Botbol, FOXNews.com, 15 Feb. 2026
There are so many reasons to be mad; the mostly baseless and endless attacks on higher education, the dismantling of life-saving research, ICE, the subverting of policy that redresses shameful social harms.
—Wendy Nelson Espeland, Mercury News, 11 Feb. 2026
The Talmud teaches that Jerusalem was destroyed not only because of hatred, but because of sinat chinam, baseless hatred fueled by moral absolutism.
—Rabbi Bruce D. Forman, Sun Sentinel, 10 Feb. 2026
Olivia Rubin, ABC News, 26 Feb. 2026
The cost of fighting these baseless lawsuits is so high that, most often, a settlement becomes the only rational option.
—Nick Payzant, Oc Register, 25 Feb. 2026
Once upon a time, she and Heughan’s steamy, kilt-ripping scenes were the talk of the town—and sparked incessant, baseless speculation about the nature of their off-screen relationship.
—Savannah Walsh, Vanity Fair, 23 Feb. 2026
This is yet another baseless claim.
—Steve H. Hanke, Fortune, 23 Feb. 2026
Despite the complaints that had been brought forward by school district employees, Cherry Creeks School said an investigation in 2025 came up as baseless and unfounded.
—Jack Lowenstein, CBS News, 21 Feb. 2026
Ex-Israeli intelligence officials told Fox News Digital that Epstein never worked for Mossad, describing the allegation as baseless and inconsistent with how the agency operates.
—Efrat Lachter , Amelie Botbol, FOXNews.com, 15 Feb. 2026
There are so many reasons to be mad; the mostly baseless and endless attacks on higher education, the dismantling of life-saving research, ICE, the subverting of policy that redresses shameful social harms.
—Wendy Nelson Espeland, Mercury News, 11 Feb. 2026
The Talmud teaches that Jerusalem was destroyed not only because of hatred, but because of sinat chinam, baseless hatred fueled by moral absolutism.
—Rabbi Bruce D. Forman, Sun Sentinel, 10 Feb. 2026
Recent Examples of Synonyms for baseless
Adjective
-
Hartsuch appealed, but in October 2025, the Iowa Court of Appeals upheld the district court’s ruling, setting the stage for Hartsuch’s newest lawsuit alleging the board’s actions were unreasonable, violated his rights and destroyed his livelihood.—
Clark Kauffman,
Iowa Capital Dispatch,
28 Feb. 2026
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Too much one-sidedness can deplete both enthusiasm and resources — and wanting a roughly reciprocal relationship is not unreasonable.—
Judith Martin,
Dallas Morning News,
28 Feb. 2026
Adjective
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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
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The fears are not unfounded, according to staff attorney Lisa Femia of the Electronic Frontier Foundation.—
Ryan Macasero,
Mercury News,
26 Feb. 2026
Adjective
-
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
“Baseless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/baseless. Accessed 3 Mar. 2026.
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