[{"Bold_text": "noun", "List Items": ["a severe limitation of food intake or food selection intended to help someone lose a lot of weight very quickly:A crash diet that completely eliminates some food groups is likely to do more harm than good—and unlikely to result in realistic weight loss."]}, {"Bold_text": "verb (used without object)", "List Items": ["to severely limit one’s food intake or food selection in order to lose a lot of weight very quickly:It’s better to lose weight slowly and keep it off than to crash diet and gain it all back."]}]