What is a Collective Noun? A collective noun is a noun that names a group or a collection of persons, animals or things as a complete group as a whole. Example: crew, bunch, jury, flock, herd, crowd, swarm, etc. Our class is going for a picnic. The army is on the march. Related posts: Collective Noun – Exercises Collective Nouns List for Animals, People, Things Collective Nouns – Exercises for Class 4 Collective Nouns – Exercises for Class 6