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
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.
The commitment to accuracy extended beyond the stage costumes. Lily Brown, PEOPLE, 9 June 2026 The kinds of language and reasoning models that can run locally on an iPhone or Mac are relatively small, limiting their capabilities and accuracy. Andrew Cunningham, ArsTechnica, 9 June 2026 This season, Fitzpatrick ranks fourth in total driving, which accounts for distance and accuracy, and fourth in birdie-or-better rate (BoB%). Geoff Clark Outkick, FOXNews.com, 9 June 2026 The drivers were known for accuracy and forgiveness on mishits. Langston Wertz Jr, Charlotte Observer, 9 June 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 14 Jun. 2026.

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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster