[{"Bold_text": "adjective", "List Items": ["of only ordinary or moderate quality; neither good nor bad; barely adequate:The car gets only mediocre mileage, but it's fun to drive.Synonyms: run-of-the-mill , everyday , pedestrian , commonplace , undistinguished Antonyms: incomparable , uncommon , superior , extraordinary", "not satisfactory; poor ; inferior :Mediocre construction makes that building dangerous.Synonyms: so-so , second-rate , low-quality , meager Antonyms: superior , excellent"]}]