[{"Bold_text": "noun", "List Items": ["one of the short, stiff, coarse hairs of certain animals, especially hogs, used extensively in making brushes.", "anything resembling these hairs."]}, {"Bold_text": "verb (used without object)", "List Items": ["to stand or rise stiffly, like bristles.", "to erect the bristles, as an irritated animal (often followed byup):The hog bristled up.", "to become rigid with anger or irritation:The man bristled when I asked him to move.", "to be thickly set or filled with something suggestive of bristles:The plain bristled with bayonets. The project bristled with difficulties.", "to be visibly roused or stirred (usually followed byup)."]}, {"Bold_text": "verb (used with object)", "List Items": ["to erect like bristles:The rooster bristled his crest.", "to furnish with a bristle or bristles.", "to make bristly ."]}]