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

Clients need accuracy, citations, and auditability and traceability back to the source. — Nick Lichtenberg, Fortune, 1 Oct. 2026

However, academic quality and accuracy still require faculty oversight. — Muhammad Affan Habib, Forbes.com, 1 Oct. 2026

The law also creates new requirements for labeling and obligations for law enforcement that will improve the accuracy of crash reporting. — Madison Smalstig, Sacbee.com, 1 Oct. 2026

But as the companies reportedly explore moves to the public markets as soon as next year, the accuracy of these volume figures is in the spotlight. — Davis Giangiulio,ananya Chetia, CNBC, 30 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