dataset

noun

da·​ta·​set ˈdā-tə-ˌset 

ˈda-

also ˈdä-

variants or less commonly data set

plural datasets also data sets

: a collection of data taken from a single source or intended for a single project

analyzed the dataset

If you're using a public dataset, make sure the data comes from a reliable source …

—Ben Dickson

The company is also … continuing to build its own dataset to improve its machine learning models.

—Alexandra S. Levine

Since AIs need a data set to learn and recognize patterns, one major worry artists have is that their artwork is being used for AI learning, raising concerns of copyright infringement.

—Daniel Salcedo Rubio

Examples of dataset in a Sentence

Recent Examples on the Web

Some of the future document cuts after the initial website launch will include public city datasets, which staff said could be removed if they aren’t required to be posted online and aren’t frequently accessed. —Chaya Tong, Austin American Statesman, 19 Mar. 2026

Across our dataset, including animals separated from human beings by hundreds of millions of years of evolution, people tended to agree with the animals about which sound was more pleasant. —Logan S. James, The Conversation, 19 Mar. 2026

Every pilot needs a sponsor, a team, a dataset, an evaluation cycle. —Keith Ferrazzi, Fortune, 19 Mar. 2026

The legislation also would establish the National Artificial Intelligence Research Resource, designed to make computing resources, datasets and infrastructure available to students, researchers, non-profits, small businesses and academic institutions. —Ted Johnson, Deadline, 18 Mar. 2026

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

• alphabet
• arpanet
• bayonet
• biuret
• cigarette
• clarinet
• coronet
• coverlet
• epithet
• ethernet
• heavyset
• internet