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

The system maintained accuracy despite the carrier’s movement. —Aamir Khollam, Interesting Engineering, 21 Apr. 2026

An editor verified the accuracy of the information before publishing. —Nick Lichtenberg, Fortune, 21 Apr. 2026

The rollout follows a series of pilot tests in 2025 that the company said improved both order accuracy and customer satisfaction. —Kelly McGreal, FOXNews.com, 21 Apr. 2026

Nearly half of all shoppers polled expressed concerns regarding accuracy and data privacy. —Arthur Zaczkiewicz, Footwear News, 20 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