accuracy
noun
ac·cu·ra·cy
ˈa-kyə-rə-sē 
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
Samsung designed the sensor to push physical limits while maintaining strong light absorption and signal accuracy.
—
Aamir Khollam, Interesting Engineering, 10 Jan. 2026
Mendoza is just more consistent, with everything — accuracy, decision-making, being able to evade messy pockets.
—Dane Brugler, New York Times, 10 Jan. 2026
SpotOn uses a dual-band, dual-feed active antenna paired with a dual-band receiver that reduces GPS drift by up to 40% and delivers accuracy up to eight times better than competing systems.
—Kurt Knutsson, FOXNews.com, 9 Jan. 2026
Bitterman recently co-authored a study that found that models are designed to prioritize being helpful over medical accuracy—and to always supply an answer, especially one that the user is likely to respond to.
—Angela Haupt, Time, 9 Jan. 2026
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Cite this Entry
“Accuracy.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accuracy. Accessed 20 Jan. 2026.
Kids Definition
accuracy
noun
ac·cu·ra·cy
ˈak-yə-rə-sē
plural accuracies
1
: freedom from error : correctness
2
: conformity to a standard : exactness
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