as in unreasonable
having no basis in reason or fact
the accusation proved to be unfounded
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Recent Examples of unfounded
And because Epstein cultivated as many high-profile contacts as possible, that leaves a whole lot of people potentially exposed to unfounded insinuations.
—
Gilad Edelman, The Atlantic, 7 Feb. 2026
Clinicians must stop misleading patients and families with scientifically unfounded claims regarding suicide.
—Torie Bosch, STAT, 7 Feb. 2026
There were unfounded rumors that Joseph's father, who died in 2006, was somehow responsible.
—Kristine Phillips, IndyStar, 5 Feb. 2026
The incident was determined to be unfounded after a comprehensive sweep of the campuses.
—Max Klaver, Miami Herald, 4 Feb. 2026
See All Example Sentences for unfounded
Gilad Edelman, The Atlantic, 7 Feb. 2026
Clinicians must stop misleading patients and families with scientifically unfounded claims regarding suicide.
—Torie Bosch, STAT, 7 Feb. 2026
There were unfounded rumors that Joseph's father, who died in 2006, was somehow responsible.
—Kristine Phillips, IndyStar, 5 Feb. 2026
The incident was determined to be unfounded after a comprehensive sweep of the campuses.
—Max Klaver, Miami Herald, 4 Feb. 2026
See All Example Sentences for unfounded
Recent Examples of Synonyms for unfounded
Adjective
-
The Fourth Amendment protects people against unreasonable searches and seizures.—
Eve Chen,
USA Today,
6 Feb. 2026
-
Those are clear violations of the Fourth Amendment’s safeguards against unreasonable searches and seizures, which were adopted to prevent the exercise of arbitrary government power.—
Yohuru Williams,
The Conversation,
4 Feb. 2026
Adjective
-
Trump has repeatedly made baseless claims that there was voter fraud in the 2020 election, specifically in Georgia, that contributed to his election loss to Biden.—
Isabella Murray,
ABC News,
5 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,
Chicago Tribune,
3 Feb. 2026
Adjective
-
Lawmakers, judges and other public servants, all under groundless presidential attack.—
James D. Zirin,
Washington Post,
3 Feb. 2026
-
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
-
The former county clerk in Colorado was convicted of multiple crimes for letting someone access data from a secure voting system in an effort to prove unsubstantiated 2020 election conspiracies.—
Phillip M. Bailey,
USA Today,
11 Feb. 2026
-
There has been local media chatter about the potential mood in the VIP section, amid unsubstantiated reports that French President Emmanuel Macron has yet to confirm his attendance and does not want to sit next to Vance in light of recent tensions over Greenland.—
Melanie Goodfellow,
Deadline,
5 Feb. 2026
Cite this Entry
“Unfounded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfounded. Accessed 14 Feb. 2026.
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