- experimental - relating to or based on experiment; "experimental physics"
- experimental, data-based, observational - relying on observation or experiment; "experimental results that supported the hypothesis"
Antonyms: theoretical, theoretic (indirect, via empirical)
- experimental - of the nature of or undergoing an experiment; "an experimental drug"; "a pilot project"; "a test run"; "a trial separation"
Antonyms: theoretical, theoretic (indirect, via empirical)
- experimental, data-based, observational - relying on observation or experiment; "experimental results that supported the hypothesis"