[{"Bold_text": "verb (used with object)", "List Items": ["to live in or overrun to an unwanted degree or in a troublesome manner, especially as predatory animals or vermin do:I had a major problem with cockroaches infesting my kitchen.The emerald ash borer has already infested many of the local ash trees.", "to be numerous in, as anything undesirable or troublesome:the cares that infest the day.", "Archaic.to harass."]}]