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
On several occasions, Trump has made unsubstantiated claims that the Biden administration held up Williams and Wilmore's return due to political reasons.
—
NBC News, 19 Mar. 2025
Relatives of the new Guantanamo detainees and advocacy groups have accused the U.S. government of holding immigrants without access to counsel or any means of asserting their rights, amid unsubstantiated or disputed accusations of criminal ties.
—Morgan Lee and Regina Garcia Cano, Los Angeles Times, 21 Feb. 2025
The union representing air traffic controllers on Friday rebutted President Trump's unsubstantiated claim that diversity policies in aviation were to blame for the fatal plane crash Wednesday near Washington, D.C.
—April Rubin, Axios, 31 Jan. 2025
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
See All Example Sentences for unsubstantiated
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NBC News, 19 Mar. 2025
Relatives of the new Guantanamo detainees and advocacy groups have accused the U.S. government of holding immigrants without access to counsel or any means of asserting their rights, amid unsubstantiated or disputed accusations of criminal ties.
—Morgan Lee and Regina Garcia Cano, Los Angeles Times, 21 Feb. 2025
The union representing air traffic controllers on Friday rebutted President Trump's unsubstantiated claim that diversity policies in aviation were to blame for the fatal plane crash Wednesday near Washington, D.C.
—April Rubin, Axios, 31 Jan. 2025
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
See All Example Sentences for unsubstantiated
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsubstantiated. Accessed 28 Mar. 2025.
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