[{"Bold_text": "verb (used with object)", "List Items": ["to change; alter .", "Biology.to cause (a gene, cell, etc.) to undergo an alteration of one or more characteristics:The disease mutates the retina’s rod cells, and they slowly stop working.", "Phonetics.to change by umlaut."]}, {"Bold_text": "verb (used without object)", "List Items": ["to undergo change:It was a gamble to mutate from hard rock frontman to big band crooner, but he went seriously retro and won that bet in a huge way.", "Biology.(of a gene, cell, etc.) to undergo an alteration of one or more characteristics:Drug-resistant cells mutate more quickly and could migrate into surrounding tissue."]}]