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

Quijano's team was able to track the orbits of the 15 binary systems to millisecond accuracy. —Keith Cooper, Space.com, 28 Apr. 2026

In a separate homeowner lawsuit in Oklahoma state court, State Farm's lawyers said the company launched an initiative in 2020 to improve the accuracy of its claims-handling practices, including correcting overpayment and underpayment of claims for wind and hail damage. —Michael Copley, NPR, 28 Apr. 2026

An editor verified the accuracy of the information before publishing. —Nick Lichtenberg, Fortune, 28 Apr. 2026

With a commitment to accuracy, accountability and innovation, the AJC is building on its legacy to redefine what a local news brand can be. —Hugo Rojo, AJC.com, 28 Apr. 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