as in unreasonable
having no basis in reason or fact
the accusation proved to be unfounded
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of unfounded
People with Down syndrome are still denied medical care based on unfounded medical bias.
—
Michelle Sie Whitten,
STAT,
25 June 2026
For a year, thousands of detainees awaiting deportation were brought to the temporary detention center, with many complaining of inhumane conditions that the DeSantis administration said were unfounded.
—
Douglas Hanks,
Miami Herald,
25 June 2026
These claims are completely unfounded.
—
Samantha Agate,
Charlotte Observer,
25 June 2026
Most of these claims are unfounded, lack evidence, and, frankly, even lack biological plausibility.
—
Maggie O'Neill,
Verywell Health,
24 June 2026
See All Example Sentences for unfounded
Michelle Sie Whitten,
STAT,
25 June 2026
For a year, thousands of detainees awaiting deportation were brought to the temporary detention center, with many complaining of inhumane conditions that the DeSantis administration said were unfounded.
—
Douglas Hanks,
Miami Herald,
25 June 2026
These claims are completely unfounded.
—
Samantha Agate,
Charlotte Observer,
25 June 2026
Most of these claims are unfounded, lack evidence, and, frankly, even lack biological plausibility.
—
Maggie O'Neill,
Verywell Health,
24 June 2026
See All Example Sentences for unfounded
Recent Examples of Synonyms for unfounded
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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Now, one population, transgender youth and collegians, are targeted for specific and baseless discrimination.
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On the evening of June 2, his baseless case was further undercut when Republican Steve Hilton won the second spot on November’s ballot for governor, up against Democrat Xavier Becerra.
Adjective
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China says such allegations are groundless.
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Lawmakers, judges and other public servants, all under groundless presidential attack.
Adjective
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The former president has also made unsubstantiated claims of vandalism causing the pool's problems.
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The company alleged Fox broadcasted unsubstantiated allegations that Dominion's software manipulated vote counts, and the news organization settled for $787 million.
Cite this Entry
“Unfounded.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unfounded. Accessed 5 Jul. 2026.
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