[{"Bold_text": "verb (used with object)", "List Items": ["to secure or guarantee:This letter will ensure you a hearing.", "to make sure or certain:measures to ensure the success of an undertaking.", "to make secure or safe, as from harm.Synonyms: safeguard , guard , protect", "insure(defs1, 2, 3) insure(defs1, 2, 3)."]}]