[{"Bold_text": "verb (used with object)", "List Items": ["to remove the frost ice from:to defrost a refrigerator; to defrost the windshield of a car.", "to thaw or partially thaw (frozen food)."]}, {"Bold_text": "verb (used without object)", "List Items": ["to become free of ice or frost :The refrigerator defrosted quickly.", "to thaw, as frozen food:The meat took two hours to defrost."]}]