[{"Bold_text": "noun", "List Items": ["alertness and prudence in a hazardous situation; care; wariness:Landslides ahead—proceed with caution.Synonyms: watchfulness , vigilance , heed , discretion , circumspection Antonyms: carelessness", "a warning against danger or evil; anything serving as a warning:By way of caution, he told me the difficulties I would face.Synonyms: counsel , advice , admonition", "Informal.a person or thing that astonishes or causes mild apprehension:She's a caution. The way he challenges your remarks is a caution."]}, {"Bold_text": "verb (used with object)", "List Items": ["to give warning to; advise or urge to take heed.Synonyms: forewarn , admonish"]}, {"Bold_text": "verb (used without object)", "List Items": ["to warn or advise:The newspapers caution against overoptimism."]}]