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
Elon Musk's team doubling to 200 employees amid federal workforce cuts elsewhere
Musk continues unsubstantiated claims of massive fraud through dead people
Musk and Trump continue to say the SSA is providing benefits to people who are too old to be alive.
—
Kinsey Crowley, USA TODAY, 11 Mar. 2025
Trump’s support for the DOGE Dividend and the varied estimates — from the straightforward $5,000 calculation to the intriguing, but unsubstantiated $8,000 possibility — highlight both the promise and the complexity of the proposal.
—Shahar Ziv, Forbes, 20 Feb. 2025
It's been marked by inaccuracies, miscalculations and unsubstantiated claims of budget cutting.
—Graham Kates, CBS News, 27 Feb. 2025
The Trump Administration's DOGE has made unsubstantiated claims of high levels of Social Security fraud, and has initiated federal worker layoffs could exacerbate existing staffing issues at the Social Security Administration.
—David Faris, Newsweek, 27 Feb. 2025
See All Example Sentences for unsubstantiated
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Kinsey Crowley, USA TODAY, 11 Mar. 2025
Trump’s support for the DOGE Dividend and the varied estimates — from the straightforward $5,000 calculation to the intriguing, but unsubstantiated $8,000 possibility — highlight both the promise and the complexity of the proposal.
—Shahar Ziv, Forbes, 20 Feb. 2025
It's been marked by inaccuracies, miscalculations and unsubstantiated claims of budget cutting.
—Graham Kates, CBS News, 27 Feb. 2025
The Trump Administration's DOGE has made unsubstantiated claims of high levels of Social Security fraud, and has initiated federal worker layoffs could exacerbate existing staffing issues at the Social Security Administration.
—David Faris, Newsweek, 27 Feb. 2025
See All Example Sentences for unsubstantiated
Articles Related to unsubstantiated
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsubstantiated. Accessed 15 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share