as in unreasonable
having no basis in reason or fact
a careful investigation proved that the charges were foundationless
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
Recent Examples of Synonyms for foundationless
Adjective
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Republicans argue that Democrats are making unreasonable demands on a stopgap bill that historically has served as a narrow, short-term bridge.—
Nik Popli,
Time,
29 Sep. 2025 -
Vice President Vance, meanwhile, accused Democrats of making unreasonable demands.—
The Hill staff,
The Hill,
29 Sep. 2025
Adjective
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Unfortunately, none of these concerns are baseless.—
Edward Lotterman,
Twin Cities,
21 Sep. 2025
-
Open Society Foundations has openly contested that these allegations are baseless.—
Kaelan Deese,
The Washington Examiner,
18 Sep. 2025
Adjective
-
Russia has called the accusations unfounded.—
Robert Birsel,
MSNBC Newsweek,
1 Oct. 2025
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About an hour later, the lockdown was lifted -- and authorities later said the initial reports were unfounded.—
Luke Barr,
ABC News,
30 Sep. 2025
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Cite this Entry
“Foundationless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/foundationless. Accessed 7 Oct. 2025.
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