1. overrun or inhabited by harmful pests, parasites, or unwanted creatures in large numbers

Examples

• The old house was infested with termites.
• The garden became infested with aphids after the rain.
• We had to throw out the flour because it was infested with weevils.
• The stagnant pond was infested with mosquitoes.
• The abandoned building was infested with rats and cockroaches.
• Her dog’s fur was infested with fleas.
• The basement was infested with spiders.