[{"Bold_text": "adjective", "List Items": ["derived from or guided by direct experience or by experiment, rather than abstract principles or theory:Empirical evidence of changes in kelp consumption was gathered by measuring the bite marks in seaweed fronds.Synonyms: pragmatic , firsthand , practical Antonyms: theoretical , secondhand", "depending upon experience or observation alone, without using scientific method or theory, and hence sometimes insufficiently authoritative, especially as in medicine:That is nothing but an empirical conclusion with no regard for the laws of thermodynamics.Synonyms: pragmatic , firsthand , practical Antonyms: theoretical , secondhand", "provable or verifiable by experience or experiment, as scientific laws:Theoretical physics is criticized for producing complex concepts that are mathematical, not empirical."]}]