proven
adjective
1. established beyond doubt
- a proven liar
- a Soviet leader of proven shrewdness
Similar word(s): established, evidenced, tested, tried, verified, proved
Sentences with proven as an adjective:
- It's a proven fact that morphine is a more effective painkiller than acetaminophen is.
- Mass lexical comparison is not a proven method for demonstrating relationships between languages.
verb
1. (often discouraged) past participle of prove
2. past participle of prove