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Definitions

unsubstantiated

[uhn-suhb-stan-shee-ey-tid] / ˌʌn səbˈstæn ʃiˌeɪ tɪd /


Example Sentences

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Rumors — vague, unsubstantiated — were a source of incessant dirt-dishing among political insiders and also circulated extensively online.

From Los Angeles Times • Apr. 17, 2026

These claims were unsubstantiated as post-election polling shows that transgender policies are were often ranked low in priorities for surveyed voters.

From Salon • Apr. 5, 2026

Iran-aligned group Harakat Ashab al-Yamin al-Islamiya - The Islamic Movement of the People of the Right Hand - made an unsubstantiated claim of responsibility for the attack on its Telegram channel.

From BBC • Mar. 24, 2026

A deep dive into public records found that most of the accusations against U.S. citizens for attacking immigration officers were unsubstantiated.

From The Wall Street Journal • Mar. 9, 2026

“Objection! Your Honor, I object to this wild unsubstantiated testimony.”

From "Mississippi Trial, 1955" by Chris Crowe




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