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

Models can scan massive datasets, identify weaknesses in real time, tailor attacks on the fly, and evade detection. —Don Aviv, Time, 7 Mar. 2026

The researchers collected a video dataset of participants performing various dynamic movements during parkour. —Atharva Gosavi, Interesting Engineering, 6 Mar. 2026

Use your massive datasets and deep learning capabilities to help import-reliant nations, such as India, build Subsurface Sovereignty. —Siddharth Misra, Fortune, 6 Mar. 2026

To Matteis, the dataset is harder to argue with than UniQure’s, and there’s not much risk with the technology used. —Angelica Peebles, CNBC, 6 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