UNPROVEN Synonyms: 50 Similar and Opposite Words

unproven

adjective

Definition of unproven

as in unproved

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of unproven Still, the durability and quality of the earnings recovery remain unproven, particularly in apparel and home and after removing a large, one-time tariff refund. — Tejal Patel, Fortune, 31 Aug. 2026 Dark matter, meanwhile, is thought to be the glue that holds galaxies and other massive structures in the universe together, but again, its nature is an enigma and its existence remains unproven. — Claire Cameron, Scientific American, 30 Aug. 2026 Now, the Panthers’ defensive line unit is mostly young and unproven, save for NFL Top 100 run-stopper Derrick Brown. — Alex Zietlow, Charlotte Observer, 30 Aug. 2026 Verrett has been criticized for promoting conspiracy theories and unproven medical treatments. — Emma Kershaw, PEOPLE, 28 Aug. 2026 See All Example Sentences for unproven

Recent Examples of Synonyms for unproven

Adjective

But Starship still must demonstrate multiple unproved capabilities that are crucial to NASA’s plans—such as the in-space refueling, via multiple launches, that’s required for sending the vehicle out of low-Earth orbit to the moon.

— Lee Billings, Scientific American, 29 May 2026
When gambling becomes the norm, taking risks in unproved investment channels start to look reasonable.

— Kyle Chayka, New Yorker, 20 May 2026

Definition of unproved

Adjective

Judge Indira Talwani’s ruling follows a whistleblower’s claims that USPS is rushing out untested and flawed computer systems to implement the new rules.

— Kevin Rector, Los Angeles Times, 4 Sep. 2026
Manufacturers of untested products are most likely to get caught only when there’s a customer casualty count.

— Alison J. Stein, HubSpot, 1 Sep. 2026

Definition of untested

Adjective

Based on statements from various companies, foreign countries and the White House’s own website, that figure appears to be highly speculative and far higher than the actual sum.

— Melissa Goldin, Chicago Tribune, 11 Sep. 2026
Binge is author of speculative thrillers that often blends big sci-fi concepts with psychological horror.

— Nellie Andreeva, Deadline, 9 Sep. 2026

Definition of speculative

Adjective

That game is too important, and holding someone back for a hypothetical Game 3 might be foolish regardless.

— Matt Gelb, New York Times, 8 Sep. 2026
In a hypothetical matchup against Moody, the poll showed Nixon would perform a bit better than Vindman, but would still lose by 50% to 42%.

— Steve Bousquet, Sun Sentinel, 5 Sep. 2026

Definition of hypothetical

Adjective

The Marquette poll also showed similar levels of opposition across the state, even in places where there is no proposed development.

— Dan Kaufman, New Yorker, 28 Aug. 2026
Its proposed 6,1000-square-foot Mooresville convenience store would include a counter-service restaurant with indoor and outdoor seating, Werner said.

— Joe Marusak, Charlotte Observer, 26 Aug. 2026

Definition of proposed

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unproved

unproven

unpublishable

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“Unproven.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/unproven. Accessed 16 Sep. 2026.

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Synonyms of unproven

adjective

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