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

Beyond robotics, the researchers tested VFlash for autonomous driving using NAVSIM and Waymo datasets. — Neetika Walter, Interesting Engineering, 6 Nov. 2026

Anyone defining a model has to state which datasets were used. — Naman Ramachandran, Variety, 6 Nov. 2026

One—a 1962 uprising in Brunei—had mistakenly been left out of the previous dataset. — Encyclopedia Britannica, 6 Nov. 2026

Seventy-one percent of brands, agencies and publishers were either growing or planning to grow their first-party datasets compared with 41% just two years prior. — Adam Ortman, Forbes.com, 5 Nov. 2026

Word History

First Known Use

1958, in the meaning defined above

Rhymes for dataset

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