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

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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.
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Recent Examples on the Web

The national registry is a compilation of information, so its accuracy depends on how compliant each jurisdiction is with maintaining and updating records. Fox News, "After Epstein death, glaring loopholes in national sex offender registry raise concerns," 16 Aug. 2019 Forward-thinking regulation gave customers the right to see these records and challenge their accuracy, despite resistance from the data holders. Kathryn Petralia, Fortune, "Regulate Fintechs for What They Do, Not What They Don’t," 15 Aug. 2019 After losing a half a stroke to the field in putting at the Northern Trust, Tony now ranks 124th in strokes gained putting and 175th in driving accuracy. Ryan Asselta,, "Picks and Daily Fantasy Plays for the BMW Championship," 14 Aug. 2019 Araiza has an even stronger leg than Baron, but his accuracy and poise under pressure remain to be seen. San Diego Union-Tribune, "Aztecs’ first fall scrimmage will begin to answer some questions," 9 Aug. 2019 Competing voice assistants from companies like Amazon and Google also use human review to improve their accuracy, but have allowed users to opt out. Sam Byford, The Verge, "Apple stops letting contractors listen to Siri voice recordings and will offer opt-out later," 2 Aug. 2019 Bubba Watson fared better, though both struggled with driving accuracy. Carlos Monarrez, Detroit Free Press, "Rocket Mortgage Classic: Round 1 'stress-free' for some but big names struggle," 27 June 2019 Woodland leads the field in scrambling and ranks in the top 20 in four other categories: driving distance, driving accuracy, greens in regulation and putts per hole. Ron Kroichick,, "Gary Woodland hits the long ball, and makes putts, to take U.S. Open lead," 14 June 2019 Piercy ranks eighth in greens in regulation, T-11 in strokes gained: ball striking and 22nd in driving accuracy. Matt Bonesteel,, "Can anyone beat Brooks Koepka at Pebble Beach?," 11 June 2019

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.

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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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Learn More about accuracy

Statistics for accuracy

Last Updated

9 Sep 2019

Look-up Popularity

Time Traveler for accuracy

The first known use of accuracy was in 1644

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More Definitions for accuracy



English Language Learners Definition of accuracy

: freedom from mistake or error : the quality or state of being accurate
: the ability to work or perform without making mistakes


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

Kids Definition of accuracy

: freedom from mistakes

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Comments on accuracy

What made you want to look up accuracy? Please tell us where you read or heard it (including the quote, if possible).


to spread over or through

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