ac·​cu·​ra·​cy | \ ˈa-kyə-rə-sē How to pronounce accuracy (audio) , ˈa-k(ə-)rə- \
plural accuracies

Definition of accuracy

1 : freedom from mistake or error : correctness checked the novel for historical accuracy
2a : 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 Diagnosing skin cancer is a prime area of research and development in artificial intelligence, with some models showing even greater accuracy than dermatologists. Casey Ross And Katie Palmer, STAT, 4 May 2022 In most cases, encouraging behavioral change isn’t about providing hyper-accuracy, Pal notes, but rather comparative choices. Katherine Dunn, Fortune, 2 May 2022 Generates and ranks pipelines based on such things as accuracy and precision. Paul Smith-goodson, Forbes, 2 May 2022 Strong features good height and size for the position (especially for this draft class), with accuracy at all three levels and the arm talent to consistently attack outside the numbers. Eddie Brown, San Diego Union-Tribune, 30 Apr. 2022 The 5-foot-6 guard shot an impressive 46% from 3-point range last season, which marked a career-high; continuing that accuracy from long range could set her apart in 2022. Lila Bromberg, Hartford Courant, 27 Apr. 2022 Hoping to make the entries as accessible as possible, the researchers focused not only on factual accuracy but using clear and concise language, said the project's founder and director, Nathaniel Gaskell. CNN, 27 Apr. 2022 Other than accuracy, nothing is more important to an NFL QB than that. Paul Daugherty, The Enquirer, 26 Apr. 2022 Missing 16 pitches might not seem like a lot, but Umpire Scorecards said 11 of 48 called strikes (77% – the average called strike accuracy is 88%) were actually true balls. Chris Bumbaca, USA TODAY, 25 Apr. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'accuracy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of accuracy

1644, in the meaning defined at sense 1

History and Etymology for accuracy

accur(ate) + -acy

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Time Traveler for accuracy

Time Traveler

The first known use of accuracy was in 1644

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Statistics for accuracy

Last Updated

6 May 2022

Cite this Entry

“Accuracy.” Dictionary, Merriam-Webster, Accessed 18 May. 2022.

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More Definitions for accuracy


ac·​cu·​ra·​cy | \ ˈa-kyə-rə-sē How to pronounce accuracy (audio) \

Kids Definition of accuracy

: freedom from mistakes

More from Merriam-Webster on accuracy

Nglish: Translation of accuracy for Spanish Speakers

Britannica English: Translation of accuracy for Arabic Speakers Encyclopedia article about accuracy


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