Left Definition 1 of 2Right
LampPro Tip 1/3
Negative ConnotationPlay
Infest usually implies a situation is serious and the creatures or things are causing harm. SlideThe lake was infested with harmful algae.
LampPro Tip 2/3
Large NumbersPlay
Use 'infest' when there are many pests or unwanted things, not just one or a few. SlideThe old barn was infested with bats.
LampPro Tip 3/3
Undesirable PresencePlay
'Infest' is used when the creatures or things are unwelcome and usually difficult to remove. SlideThe park has been infested with invasive species.