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Synonyms

data

American  
[dey-tuh, dat-uh] / ˈdeɪ tə, ˈdæt ə /

noun

  1. (usually used with a singular verb) information in digital format, as encoded text or numbers, or multimedia images, audio, or video.

    The data was corrupted and can’t be retrieved.

    Data is entered for immediate processing by the computer.

  2. (used with a singular verb) a body of facts; information.

    Additional data is available from the president of the firm.

  3. (used with a plural verb) individual facts, statistics, or items of information.

    These data represent the results of our analyses.

  4. a plural of datum.


data British  
/ ˈdeɪtə, ˈdɑːtə /

plural noun

  1. a series of observations, measurements, or facts; information

  2. Also called: informationcomputing the information operated on by a computer program

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

Data is a plural of datum, which is originally a Latin noun meaning “something given.” Today, data is used in English both as a plural noun meaning “facts or pieces of information” ( These data are described more fully elsewhere ) and as a singular mass noun meaning “information” ( Not much data is available on flood control in Brazil ). It is usually treated as a plural in scientific and academic writing. In the digital or computer sense it is almost always treated as a mass noun and used with a singular verb. In other types of writing it is either singular or plural. The Latinate singular datum meaning “a piece of information” is now rare in all types of writing. In surveying and civil engineering, where datum has specialized senses, the plural form is datums.

Although now often used as a singular noun, data is properly a plural

Other Word Forms

Etymology

Origin of data

First recorded in 1640–50; from Latin, plural of datum ( def. )

Explanation

Data is information such as facts and numbers used to analyze something or make decisions. Computer data is information in a form that can be processed by a computer. Data is the plural of Latin datum, "something given." In scientific use, the word data is often considered to be a plural noun meaning "pieces of information": The data are reliable. But most people think of data as a mass noun meaning "information" and use the word with a singular verb and pronoun: The data is reliable because it was tested by experts.

Keep Reading on Vocabulary.com

Vocabulary lists containing data

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.

Army selected Lattice as the fire-control platform for the Integrated Battle Command System Maneuver program, a counterdrone command-and-control layer meant to fuse sensor data, automate fire control and compress the detection-to-defeat timeline.

From MarketWatch • Jun. 29, 2026

He received a compensation package valued at $821 million last year, according to The Wall Street Journal’s annual analysis of executive pay using data from MyLogIQ.

From The Wall Street Journal • Jun. 29, 2026

Seoul announced Monday massive investments, including for new semiconductor factories and AI data centres, led by South Korean chipmakers.

From Barron's • Jun. 29, 2026

That could be beneficial for society, because those rising memory costs will “inflate the costs of building a gigawatt data center to where, even for the hyperscalers, economics matter.”

From MarketWatch • Jun. 29, 2026

They hadn’t seen any signs of an imminent eruption in the seismic data.

From "Mountain of Fire" by Rebecca E. F. Barone

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