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
Synonyms
Examples of unsubstantiated in a Sentence
an unsubstantiated claim that was thrown out of court
Recent Examples on the Web
Although the canal was transferred to Panama in 1999 via the Panama Canal Treaty and Neutrality Treaty, President Trump believes the country violated the dual treaties under unsubstantiated claims that China still controls the waterway.
—
Glenn Taylor, Sourcing Journal, 8 Feb. 2025
That’s not an unsubstantiated claim, as Historic Automobile Group International (HAGI) now tracks the entire marketplace with a number of indices on different areas of the marketplace.
—Mike Hanlon, New Atlas, 3 Feb. 2025
On Thursday, Trump ordered a DEI review of federal aviation hiring and safety decisions, doubling down on his unsubstantiated claim that such policies were a factor in the crash that left no survivors.
—April Rubin, Axios, 31 Jan. 2025
The producers failed to provide sufficient time or details for his representatives to address unsubstantiated claims, many from unidentified participants whose allegations lack context.
—Jonathan Granoff, Newsweek, 29 Jan. 2025
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Glenn Taylor, Sourcing Journal, 8 Feb. 2025
That’s not an unsubstantiated claim, as Historic Automobile Group International (HAGI) now tracks the entire marketplace with a number of indices on different areas of the marketplace.
—Mike Hanlon, New Atlas, 3 Feb. 2025
On Thursday, Trump ordered a DEI review of federal aviation hiring and safety decisions, doubling down on his unsubstantiated claim that such policies were a factor in the crash that left no survivors.
—April Rubin, Axios, 31 Jan. 2025
The producers failed to provide sufficient time or details for his representatives to address unsubstantiated claims, many from unidentified participants whose allegations lack context.
—Jonathan Granoff, Newsweek, 29 Jan. 2025
See all Example Sentences for unsubstantiated
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Dictionary Entries Near unsubstantiated
Cite this Entry
“Unsubstantiated.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unsubstantiated. Accessed 20 Feb. 2025.
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