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What is a group of flies called?

A swarm
of flies
a swarma businessa clouda grist
AnimalFlies
CategoryInsects & Bugs
Collective nounSwarm, Business, Cloud, Grist
Baby nameMaggot
💡 “Business” of flies is an old term — a baby fly is a maggot.

FAQ

What is a group of flies called?

A group of flies is called a swarm. Other accepted terms include a business, a cloud, a grist.

Are there other names for a group of flies?

Yes — besides a “swarm,” you may see “business”, “cloud”, “grist”. Collective nouns often have several historic or regional variants.

What is a baby flie called?

A baby flie is called a maggot.

More insects & bugs

Collective nouns are a mix of traditional “terms of venery,” literary inventions and modern coinages. Several variants are often equally “correct.”