[{"Bold_text": "verb (used with object)", "List Items": ["to give careful attention to:He did not heed the warning.Synonyms: mark , consider , observe , note Antonyms: ignore , disregard"]}, {"Bold_text": "verb (used without object)", "List Items": ["to give attention; have regard."]}, {"Bold_text": "noun", "List Items": ["careful attention; notice; observation (usually withgiveortake).Synonyms: watchfulness , vigilance , caution , care , consideration"]}]