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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:

On Tuesday, health officials there confirmed that one person had died of an infection amid a cluster of cases linked to the popular Brookshire Farms.

From Los Angeles Times ● Nov. 12, 2026

According to the paper, a number of "ghost bosses" allegedly "disguise" the real owners of a cluster of vape shops in the North West of England.

From BBC ● Nov. 9, 2026

The second, Rubin-GC1, is a star cluster on the opposite side of our galaxy, hidden within a region where thick clouds of cosmic dust make observations especially challenging.

From Science Daily ● Nov. 7, 2026

Cerminaro, who makes stock-market charts for a living, pointed out that in the stock market, big down days and big up days often cluster together.

From MarketWatch ● Nov. 5, 2026

I don’t find any more on my legs, but as I gaze at my arms, I see a little cluster of them by my elbow, like white freckles.

From "How to Disappear Completely" by Ali Standish

North of Singapore, Malaysia's Johor region has become "one of the largest emerging AI infrastructure clusters in the world", according to researcher James Chai of the ISEAS-Yusof Ishak Institute.

From Barron's ● Nov. 8, 2026

This halo contains scattered stars, gas, and dark matter, along with faint satellite galaxies, star clusters, and other structures that preserve clues about the Milky Way's past.

From Science Daily ● Nov. 7, 2026

These small clusters of cells, grown from fetal cells, reproduce important features of developing human tissue.

From Science Daily ● Oct. 31, 2026

It is not unusual for storms to arrive one after another – in fact, they often develop in clusters, particularly during periods of unsettled weather across the Atlantic.

From BBC ● Oct. 24, 2026

The rosebush clusters bloomed joyously, their blushing white crowns illuminating the darkness we had endured for so long.

From "Summer of the Mariposas" by Guadalupe García McCall

After chipping their way through their shells, sea turtle hatchlings in the wild typically remain clustered together beneath the sand until nighttime, when temperatures and predation risk drop.

From Los Angeles Times ● Oct. 30, 2026

Social media accounts, particularly on TikTok, are awash with companies trying to attract people on benefits into their properties, mainly clustered around Birmingham's poorest areas.

From BBC ● Oct. 19, 2026

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

At recess, kids clustered up to eat their lunches, some of them chattering away in funny words I couldn’t understand.

From "Worth" by A. LaFaye

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

In dwarf galaxies, the process creates dark matter cores with relatively low central densities, matching recent observations of galaxy clustering.

From Science Daily ● Jul. 14, 2026

He watched the other men at the party bow, too, clustering around Chief, jostling to outlaugh one another when Chief made a joke.

From "Americanah" by Chimamanda Ngozi Adichie


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