What are the opposite words for un tried?

The word "untried" means something that is inexperienced, untested or not yet attempted. Its antonyms are words like experienced, tested, tried, proven, and familiar. These opposite words denote something that has been tested, proven its worth and is known for its abilities or performance. The antonyms of untried are appropriate in situations where it is essential to use or rely on something that has a track record of success, where untested solutions are not an option. In contrast, untried ideas, methods or solutions can offer new and creative ways of addressing problems or answering questions.

Antonym of the day

most knee-slapper
boring, common, dramatic.