unsubstantiated
adjective
un·sub·stan·ti·at·ed
ˌən-səb-ˈstan(t)-shē-ˌā-təd 
: not proven to be true : not substantiated
an unsubstantiated rumor/report
a plausible but unsubstantiated theory
Examples of unsubstantiated in a Sentence
an unsubstantiated claim that was thrown out of court
Recent Examples on the Web
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
The expenses vary in nature and include undocumented baggage fees, personal travel expenses, an unsubstantiated $48.60 bill at Urban Meyer’s Pint House and $2,240 for custom game day shoes.
—Chris Vannini, New York Times, 17 Apr. 2025
See All Example Sentences for unsubstantiated
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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
The expenses vary in nature and include undocumented baggage fees, personal travel expenses, an unsubstantiated $48.60 bill at Urban Meyer’s Pint House and $2,240 for custom game day shoes.
—Chris Vannini, New York Times, 17 Apr. 2025
See All Example Sentences for unsubstantiated
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsubstantiated. Accessed 16 May. 2025.
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