unproven

adjective

un·​prov·​en ˌən-ˈprü-vən 

British also -ˈprō-

: not tested and shown to be good, true, or useful : not proven

an unproven allegation/theory

unproven benefits

unproven technology

Examples of unproven in a Sentence

Recent Examples on the Web

Still, telehealth platforms marketing GLP-1s for addiction trouble some experts, who say this could cause fragmented care and potentially inappropriate prescriptions as researchers are still working to understand and vet the unproven treatments. — Ed Silverman, STAT, 22 Oct. 2026

Before the defense initiative, the bank had moved away from taking startup stakes, which can be relatively risky bets on unproven technologies. — Hugh Son, CNBC, 19 Oct. 2026

The researchers suggested several hypotheses for why this happened, but cortisol’s purpose remains unproven. — Maria Mocerino, Interesting Engineering, 17 Oct. 2026

Moreover, the Stifel analyst said that Under Armour’s pricing power is unproven, while at Nike runs the risk of more promotions ahead. — Vicki M. Young, Footwear News, 16 Oct. 2026

Word History

First Known Use

1563, in the meaning defined above

Rhymes for unproven

• proven

Legal Definition

unproven

adjective

un·​prov·​en

ˌən-ˈprü-vən

: not proven

an unproven allegation