PROVEN Synonyms: 91 Similar and Opposite Words

proven

adjective

as in demonstrated

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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 proven Engineered for both land and ship platforms, the system complements the proven ASTER missile family, reinforcing integrated air and missile defense architectures to neutralize emerging hypersonic threats. — Mrigakshi Dixit, Interesting Engineering, 6 Nov. 2026 Hydraulics are a proven way to get muscle, but not the only one. — New Atlas, 1 Nov. 2026 But these methods are either small scale or even less proven than CCS. — Katie Worth, ProPublica, 30 Oct. 2026 Calvert-Lewin, Mateta and Toney represent solid, proven options, but there are exciting, longer-term alternatives at centre-forward if United are brave enough to cast their net further afield. — Thom Harris, New York Times, 29 Oct. 2026 Unfortunately, there’s no proven way to completely eliminate hallucinations from AI systems for now. — Klaudia Zaika, Forbes.com, 16 Oct. 2026 In new guidance, the American Academy of Pediatrics says unpasteurized dairy is unsafe and offers no proven health benefits. — Kathleen Felton, Washington Post, 5 Oct. 2026 This page has long supported home ownership as a proven way to build wealth and security. — The Editorial Board, Chicago Tribune, 2 Oct. 2026 Hernández is a proven October hitter, while Pages is finding his swing after coming back from a broken hand. — Bill Shaikin, Los Angeles Times, 26 Sep. 2026

Recent Examples of Synonyms for proven

Adjective

But there's no confirmed international launch either, so I wouldn't get carried away just yet.

— New Atlas, New Atlas, 22 Oct. 2026
The confirmed case inside an elementary school has some Harford County residents concerned about the presence of wildlife in the community.

— Ashley Paul, CBS News, 16 Sep. 2026

Definition of confirmed

Adjective

Unlike conventional speculative decoding, which checks generated tokens against a target model, VFlash can accept structurally valid visual predictions without requiring token-by-token agreement.

— Neetika Walter, Interesting Engineering, 6 Nov. 2026
Californians have kept our end of that bargain, but insurance companies have broken their side of the promise by denying, delaying and underpaying valid claims and dropping coverage.

— Los Angeles Times, Los Angeles Times, 6 Nov. 2026

Definition of valid

Adjective

How researchers tested model To examine this possibility, the team modified the established Kawano/NUC123 computer code, which simulates Big Bang nucleosynthesis.

— Rupendra Brahambhatt, Interesting Engineering, 8 Nov. 2026
The case highlights an intensifying battle over semiconductor know-how as Chinese chipmakers narrow the gap with established rivals, putting the race for top engineering talent increasingly at odds with efforts to protect trade secrets.

— Jenny Lee, CNBC, 5 Nov. 2026

Definition of established

Adjective

The first wildlife overcrossing that included effective fencing was recently completed over State Highway 97 in Siskiyou County near Grass Lake, according to the report.

— Karen Garcia, Los Angeles Times, 11 Nov. 2026
Another might accurately highlight the risks and, to help change behavior, point to the most effective ways to quit.

— Jessica Fishman, STAT, 10 Nov. 2026

Definition of effective

Adjective

Long-term national data has shown that states that have previously expanded access to SNAP benefits had reduced numbers of CPS investigations and substantiated reports of abuse and neglect, as well as fewer foster care placements.

— Sandy Santana, STAT, 29 Sep. 2026
The changes extend inquiries to credible complaints and investigations, rather than limiting them to matters used to support a substantiated investigation.

— Bryce Martin, Mercury News, 28 Sep. 2026

Definition of substantiated

Adjective

That so-fake-it’s-real argument has underpinned many provocative artistic movements over the years.

— Andrew Ryce, Pitchfork, 3 Nov. 2026
In short, this study showed how the material responds to mechanical force, temperature, and chemical changes, but its effectiveness in real propulsion systems remains to be established.

— Maria Mocerino, Interesting Engineering, 2 Nov. 2026

Definition of real

Adjective

Clear procedures would improve relief for actual victims while requiring the OCR to substantiate its demands.

— Ilya Shapiro, Washington Post, 8 Nov. 2026
Authorities have described the more than two dozen threats as malicious hoaxes, and no actual attacks have been carried out.

— Jenni Reid, CNBC, 7 Nov. 2026

Definition of actual

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“Proven.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/proven. Accessed 11 Nov. 2026.

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Synonyms of proven

adjective

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