[{"Bold_text": "verb (used without object)", "List Items": ["to stare with open mouth, as in wonder.", "to open the mouth wide involuntarily, as the result of hunger, sleepiness, or absorbed attention.Synonyms: yawn", "to open as a gap; split or become open wide.Synonyms: yawn"]}, {"Bold_text": "noun", "List Items": ["a wide opening; gap; breach.", "an act or instance of gaping.", "a stare, as in astonishment or with the mouth wide open.", "a yawn.", "Zoology.the width of the open mouth."]}]