accuracy

noun

ac·​cu·​ra·​cy ˈa-kyə-rə-sē How to pronounce accuracy (audio)
ˈa-k(ə-)rə-
plural accuracies
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Discuss Tools’ Trustworthiness Women tend to be more cautious about AI’s fairness and accuracy. Corinne Post, Forbes.com, 23 Apr. 2025 By August 2025, the University must submit to the government a report—certified for accuracy—that confirms these reforms. Kayla Jimenez, USA Today, 23 Apr. 2025 This already feels fresh, deeper in anthropological accuracy and concern than horror films interested in guitar music tend to dig. Craig Jenkins, Vulture, 22 Apr. 2025 The panel itself has a 120Hz refresh rate for ultra-smooth motion and X-Rite color calibration for professional-grade color accuracy. PC Magazine, 21 Apr. 2025 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

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Cite this Entry

“Accuracy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accuracy. Accessed 29 Apr. 2025.

Kids Definition

accuracy

noun
ac·​cu·​ra·​cy ˈak-yə-rə-sē How to pronounce accuracy (audio)
plural accuracies
1
: freedom from error : correctness
2
: conformity to a standard : exactness

More from Merriam-Webster on accuracy

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