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Definitions

cluster

[kluhs-ter] / ˈklʌs tər /




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.

See Examples For:

Recently, a growing cluster of AI studios, including Promise, TrueShort, Native Foreign, and PhantomX, are expanding in the neighborhood.

From Los Angeles Times ● Oct. 17, 2026

Embassy in Havana began reporting strange sounds and feelings of nausea and brain fog, a cluster of symptoms that became known as Havana syndrome.

From The Wall Street Journal ● Oct. 16, 2026

The cluster led by Artemis Technologies, will connect electric vessels, high-power marine charging, autonomous transport and energy systems through secure digital twin technology.

From BBC ● Oct. 15, 2026

Europe’s largest cluster of data centers is in Slough, a town 25 miles west of London, with only Virginia in the U.S. boasting more globally.

From The Wall Street Journal ● Oct. 15, 2026

Jonah could see a woman quietly closing the door to the auditorium behind them, probably to keep the noisy cluster of kids from interrupting the adults’ program.

From "Found" by Margaret Peterson Haddix

The proposed changes cover 23 AI-related technologies such as large language models, AI agents, chip design and computing clusters.

From The Wall Street Journal ● Oct. 16, 2026

The BBC showed photographs from the scene to forensics and ballistics experts, who said that the clusters suggested multiple rounds had been fired downward from above, and did not appear indicative of a firefight.

From BBC ● Oct. 13, 2026

But as service requests from large customers tripled to 18,000 megawatts, the company started to study potential projects in clusters to see how they would collectively affect the grid.

From The Wall Street Journal ● Oct. 13, 2026

Researchers from dTeam, a US-based group that tracks Moscow-linked influence operations, told BBC Verify there has not been "any traffic change from known Russian accounts and bot clusters on any platform".

From BBC ● Oct. 13, 2026

There were clusters of drinkers, mostly older fishermen and -women, and a piano.

From "Impossible Creatures" by Katherine Rundell

They do a ZIP Code analysis of where existing clients live and where e-commerce clients seem clustered.

From The Wall Street Journal ● Oct. 17, 2026

Photos showed how the endangered moths clustered together so densely inside their caves, it was impossible to see the rock beneath.

From Barron's ● Oct. 2, 2026

Because of this dynamic, major gifts to colleges are often clustered around prominent schools.

From MarketWatch ● Sep. 30, 2026

Last year, the city awarded $360.9 million to 80 projects that promise the construction of 1,288 new affordable units and the preservation of 3,713 units, mostly clustered around downtown L.A.,

From Los Angeles Times ● Sep. 23, 2026

Across the street a crowd of reporters, photographers and TV cameramen from all over the country watched the tense scene as they stood clustered behind a police barrier.

From "Because They Marched" by Russell Freedman

Researchers wanted to determine whether the same clustering behavior occurs in the Arctic and, if so, what it does to sea ice.

From Science Daily ● Sep. 14, 2026

The clustering of buildings in areas such as Virginia’s “data center alley” means a single event—such as a tornado—can trigger multiple major claims.

From The Wall Street Journal ● Sep. 5, 2026

This resulted in most of the 12,000-strong population clustering around the coastal edges with usable space at a premium on an island that measures only 21 square kilometres.

From BBC ● Jul. 21, 2026

It also underwent a store refresh program, changing products and is clustering locations to boost profit and customer traffic.

From Los Angeles Times ● Jul. 15, 2026

A vodyanoi rose up, his green hair matted with algae, tiny black scales clustering here and there on his sickly green skin.

From Anya and the Dragon by Sofiya Pasternack


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