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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: information. computing 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.

See Examples For:

Personalized explanations can be seductive because they arise from our own data.

From The Wall Street Journal ● Sep. 27, 2026

These data lend support to a long-held hypothesis that oxygen played a key role in driving the evolution of early eukaryotes.

From Science Daily ● Sep. 27, 2026

Furthermore, hyperscalers are also spending heavily on data centers and chips, so higher interest rates would raise the cost of financing that investment.

From MarketWatch ● Sep. 27, 2026

An NHS trust has apologised to the family of three-year-old Noah Woods for the "extra anguish" caused after a data breach of his medical records.

From BBC ● Sep. 27, 2026

Investigation of Fischer is not to be limited to developing additional data concerning her recent contact of XXXXXX.

From "Endgame" by Frank Brady

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