as in unreasonable
having no basis in reason or fact
an unsubstantiated claim that was thrown out of court
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Recent Examples of unsubstantiated
There have been rumors occasionally that the Monfort brothers might sell the team, but those rumors are unsubstantiated.
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Patrick Saunders, Denver Post, 16 Apr. 2025
The reputational value of saying the right thing has flipped; the cost of failing to deliver is now higher than the benefit of making bold but unsubstantiated promises.
—Rob Kaplan, Forbes.com, 29 Apr. 2025
Cohn played a central role in directing its investigations, many of which relied on unsubstantiated or misleading claims.
—Kenneth Obel, Chicago Tribune, 23 Apr. 2025
Adding another layer to the already shocking discoveries, the raid report also revealed that someone made an unsubstantiated claim that the MDMA had been mixed into alcoholic drinks and served to females at the home.
—Amber Corrine, VIBE.com, 22 Apr. 2025
See All Example Sentences for unsubstantiated
Recent Examples of Synonyms for unsubstantiated
Adjective
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In a unanimous opinion, the justices said courts can look beyond the exact moment a police officer is using deadly force to determine if the force was unreasonable.—
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Given the high degree of regulation and data privacy concerns within our industry, this isn’t an unreasonable question, to say nothing of the cost of bespoke software solutions.—
Adjective
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For Parker, the accusation that Moretti used too much force was also unfounded.—
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Creating a spinoff series around the villain who killed Rick Flagg (Joel Kinnaman) in The Suicide Squad was a bold move but my initial doubts proved unfounded.—
Adjective
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But the water had gone down, leaving an unsupported shelf of thin ice along the bank, and snow had drifted over the shelf, hiding it.—
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Code written even five years ago may rely on deprecated dependencies or unsupported services.—
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unsubstantiated. Accessed 29 May. 2025.
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