infestation

Everyday

A large number of insects, animals or pests living in a place where they are not wanted and causing harm. tree →

In the lessons

In science and everyday life: an infestation of head lice, mice, ants or moths. Schools send letters home about head lice infestations. In farming and gardens: an infestation of aphids on roses. Phrases: head lice infestation, pest control.

Examples

• There is an infestation of head lice in Year 3. tree →
• The barn had an infestation of rats. tree →
• Aphid infestation ruined the roses. tree →
• Pest control dealt with the ant infestation. tree →
• A moth infestation made holes in the jumpers. tree →
• Keep food covered to prevent an infestation. tree →

Note

Countable. Verb: infest (infested). Head lice are common and not a sign of being dirty. Not the same as «infection» (germs inside the body).