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Definitions

cluster

[kluhs-ter] / ˈklʌs tər /
NOUN
group of something
Synonyms
STRONGEST
array assemblage band batch bunch bundle chunk clump collection knot
STRONG
bevy blob body clutch covey crew gathering hunk lot pack party set
Antonyms
STRONGEST
individual
STRONG
one
VERB
assemble, group
Synonyms
STRONGEST
bundle flock gather round up
STRONG
accumulate aggregate associate bunch collect cumulate package parcel
WEAK
bunch up crowd around gang around
Antonyms
STRONGEST
disperse divide scatter separate spread
WEAK
dissemble let go

Frequently Asked Questions

What is another word for cluster?
The word cluster often refers to a group of things of the same kind that are held together—a bundle. Sometimes, it specifically refers to a group of things that grow together, like a cluster of grapes. A synonym for this sense is bunch. More generally, the word cluster can refer to any collection of things positioned closely together. These things can be tangible, as in There is a cluster of people around the gate, or intangible, as in data cluster or Epidemiologists are tracking multiple outbreak clusters.  A very general synonym is group (or, perhaps more precisely, grouping). The word clutch can also refer to a group or bunch of things. Cluster can also be used as a verb meaning to form into such a group. Synonyms are assemble, gather, and the verb sense of group. What is another name for a cluster of flowers? A cluster of flowers is more commonly known as a bunch of flowers or simply a bouquet. The word clutch could also be used.
How do you use cluster in a sentence?
Cluster refers to close groups. It can refer to both tangible and intangible things. Here are some examples of cluster in a sentence:
  • It’s right over there, near that cluster of bushes.
  • I think we’ll find our answer by analyzing these data clusters. 
  • The people clustered around the stage to hear the speech.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A particular pressure point is a cluster of uninhabited outcrops Japan calls Senkaku and China calls Diaoyu.

From The Wall Street Journal • Mar. 31, 2026

Beijing is effectively trying to lower the marginal cost of child rearing while nudging households toward more confident spending across a cluster of family-oriented categories.

From Barron's • Mar. 30, 2026

The cluster of cases suggests a lot of people were infected at the same time, but nothing obviously unusual took place in Kent.

From BBC • Mar. 27, 2026

For Nebius, Liani believes the company’s distributed virtualization layer, which connects GPUs across multiple locations to create a unified cluster, is a “structural long-term differentiator and one of the company’s most defensible advantages.”

From MarketWatch • Mar. 24, 2026

A girl with a switch sat guard over a cluster of babies.

From "A Girl Named Disaster" by Nancy Farmer

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.