accuracy

noun

ac·​cu·​ra·​cy ˈa-kyə-rə-sē How to pronounce accuracy (audio)
ˈa-k(ə-)rə-
plural accuracies
Synonyms of accuracy
1
: freedom from mistake or error : correctness
checked the novel for historical accuracy
2
a
: conformity to truth or to a standard or model : exactness
impossible to determine with accuracy the number of casualties
b
: degree of conformity of a measure to a standard or a true value compare precision entry 1 sense 2a

Examples of accuracy in a Sentence

Each experiment is performed twice to ensure accuracy. The police questioned the accuracy of his statement. He could not say with any accuracy what he had seen. Several managers have tried to increase the speed and accuracy of the workers.
Recent Examples on the Web
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However, the company has not provided quantitative performance results for the new features, including speech-decoding accuracy or response times. — Neetika Walter, Interesting Engineering, 29 Oct. 2026 Both sizes are available with Apple's M5 Pro or M5 Max chips, along with a new OLED display designed to deliver improved brightness, contrast and color accuracy, according to Apple. — ABC News, 29 Oct. 2026 Throughout their career the Warrens attracted persistent criticism from skeptics, and several people connected to their cases disputed the accuracy of their accounts. — Frannie Comstock, Encyclopedia Britannica, 28 Oct. 2026 The boost in contrast, color accuracy, and brightness will surely win over some skeptics. — Eric Zeman, PC Magazine, 28 Oct. 2026 See All Example Sentences for accuracy

Word History

Etymology

accur(ate) + -acy

First Known Use

1644, in the meaning defined at sense 1

Time Traveler
The first known use of accuracy was in 1644

Browse Nearby Words

Cite this Entry

“Accuracy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accuracy. Accessed 1 Nov. 2026.

Kids Definition

accuracy

noun
plural accuracies
1
: freedom from error : correctness
2
: conformity to a standard : exactness

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