[{"Bold_text": "adjective", "List Items": ["not providing satisfaction; unprofitable:unfruitful efforts.Synonyms: unrewarding , unproductive , vain , fruitless", "not producing offspring; sterile:an unfruitful marriage.", "not yielding good crops; infertile:unfruitful acres.", "not bearing fruit; fruitless; barren:an unfruitful tree."]}]