noun

infestation

infestation, plague

There was an infestation of rats in the cellar.

There was an infestation of rats in the cellar.

The main problem is cockroach infestation.

The main problem is cockroach infestation.

an infestation of ((sth.)) a large number of insects or animals in a place, usually causing damage There was an infestation of rats in the cellar.

Synonyms: plague, invasion, outbreak

From Latin 'infestare' meaning 'to attack, molest'. 'in-' (in, into) + '-festare' (related to 'festus' meaning hostile).

Think of pests being "in" your house, causing an "infestation".

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