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

As the dataset grows, the models get stronger, and stronger models deliver sharper insights. —David Chou, Forbes.com, 21 Aug. 2025

But for 95% of companies in the dataset, generative AI implementation is falling short. —Sheryl Estrada, Fortune, 18 Aug. 2025

The breach had affected data until 2019, including Social Security numbers, and the information of 73 million former and current customers was found in a dataset on the dark web. —Auzinea Bacon, CNN Money, 16 Aug. 2025

First Horizon’s growth in Charlotte First Horizon has 16 branches with about $1.6 billion in local deposits as of June 2024, according to a dataset from the Charlotte Business Journal. —Desiree Mathurin, Charlotte Observer, 15 Aug. 2025

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