What is a group of rats called?

Collective Noun for Rats. The collective noun for rats is the word you would use to describe a group of rats.

We have identified the following word(s) that you could call a group of rats:

colony
pack
plague
swarm

Used in a sentence, you could say "Look at the colony of rats", where "colony" is the collective noun that means group.

As you can see, you simply substitute the word "group" with one of the collective nouns on our list above when describing a group of rats.

What is a group of animals called?
Collective nouns are also called "terms of venery". Go here to look up another animal.

What is a group of rattlesnakes called?
Now you know what a group of rats is called. Go here for the next animal on our list.