1. in a way that is based on or involves experiments; by means of testing or trial
2. in a tentative or exploratory manner; as a test or trial

Examples

• The new drug was tested experimentally on a small group of patients before wider release.
• Scientists experimentally confirmed the theory through repeated laboratory tests.
• The company experimentally introduced the product in three cities to gauge customer response.
• We approached the problem experimentally, trying different solutions until we found one that worked.
• The artist experimentally combined traditional and modern techniques in her latest work.
• The treatment was only available experimentally at specialized medical centers.