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.

The author argues that Bovino’s inflammatory rhetoric and theatrical enforcement style backfired, with his unsubstantiated claim that slain ICU nurse Alex Pretti wanted to “massacre law enforcement” particularly damaging public perception of immigration enforcement efforts.

From Los Angeles Times • Mar. 27, 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

IonQ told Barron’s, which was the first to report on the allegations, that the firm had made “false, misleading, and unsubstantiated claims.”

From Barron's • Feb. 25, 2026

Those rumors are unsubstantiated and the government extended the concessions, beginning in 2023, for another 25 years.

From The Wall Street Journal • Feb. 1, 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