proven
/ˈpɹuː.vn̩/
Proposed by a contributor, not yet supported by evidence.
Meaning · English
Having been proved; having proved its value or truth.
Adjective
Examples
It's a proven fact that morphine is a more effective painkiller than acetaminophen is.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “proven” mean?
Having been proved; having proved its value or truth.
Is “proven” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.