[{"Bold_text": "verb (used with object)", "List Items": ["to disturb or agitate suddenly as by surprise or alarm.Synonyms: astonish , frighten , scare", "to cause to start involuntarily, by or as by a sudden shock."]}, {"Bold_text": "verb (used without object)", "List Items": ["to start involuntarily, as from a shock of surprise or alarm."]}, {"Bold_text": "noun", "List Items": ["a sudden shock of surprise, alarm, or the like.", "something that startles."]}]