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

Synonyms of accuracy

• precision
• preciseness
• perfection

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

Serious accusations must be supported by evidence and presented before the appropriate authorities, not through statements in media outlets whose content prioritises sensationalism and media exposure over accuracy and truth. — Roshane Thomas, New York Times, 11 Sep. 2026

The later exposure windows produced more noticeable effects on sleep and next-day performance, including measures of attention, movement and dart-throwing accuracy. — Ascend Agency, New York Daily News, 11 Sep. 2026

Look for third-party reviews testing Ozlo Sleepbuds 2 accuracy against wrist trackers like Oura Ring or Apple Watch. — Ryan Brennan, Miami Herald, 11 Sep. 2026

From the moment the show begins, viewers can predict (with enormous accuracy) how the season will end. — Selome Hailu, Variety, 11 Sep. 2026

Word History

Etymology

accur(ate) + -acy

First Known Use

1644, in the meaning defined at sense 1

Rhymes for accuracy

• inaccuracy

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