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
Some of the unsubstantiated claims against ICE are far-fetched, such as a viral TikTok video claiming that the Trump administration is tossing deportees out of planes and into the open ocean.
—
Mia Cathell, The Washington Examiner, 28 July 2025
Rivera-Wagner said the bill was also a response to litigation against the City of Green Bay and its officials over unsubstantiated allegations related to the 2020 election.
—Francesca Pica, jsonline.com, 24 July 2025
Then, like now, there were unsubstantiated rumors that gold had been improperly removed from the depository.
—Josh Wood, The Courier-Journal, 3 July 2025
City officials said the district's stipend of about $2.8 million for EMS calls was unsubstantiated and did not put the creation of ESD No. 17 on the ballot.
—Mason Rouser, Austin American Statesman, 2 July 2025
See All Example Sentences for unsubstantiated
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Mia Cathell, The Washington Examiner, 28 July 2025
Rivera-Wagner said the bill was also a response to litigation against the City of Green Bay and its officials over unsubstantiated allegations related to the 2020 election.
—Francesca Pica, jsonline.com, 24 July 2025
Then, like now, there were unsubstantiated rumors that gold had been improperly removed from the depository.
—Josh Wood, The Courier-Journal, 3 July 2025
City officials said the district's stipend of about $2.8 million for EMS calls was unsubstantiated and did not put the creation of ESD No. 17 on the ballot.
—Mason Rouser, Austin American Statesman, 2 July 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 14 Aug. 2025.
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