Pronunciation: (in-fest'), [key]
1. to live in or overrun to an unwanted degree or in a troublesome manner, esp. as predatory animals or vermin do: Sharks infested the coastline.
2. to be numerous in, as anything undesirable or troublesome: the cares that infest the day.
3. Archaic.to harass.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.