unsubstantiated

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

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

At the event he gave sweeping, unsubstantiated advice on autism, such as insisting that pregnant women should "tough it out" and avoid Tylenol over an unproven link to autism -- statements slammed by scientists.

From Barron's • Mar. 10, 2026

"Unfortunately the amount of pressure caused by the torrent of unsubstantiated AI hype makes that near-impossible," he added.

From BBC • Feb. 19, 2026

The critical issue is the quality of the purported evidence, rigorously and skeptically scrutinized—not what sounds plausible, not the unsubstantiated testimony of one or two self-professed eyewitnesses.

From "Cosmos" by Carl Sagan