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

When the light turns green, swing—and hopefully hit your shot with more accuracy than ever. — Eliza Thompson, Time, 15 Oct. 2026

Similarly, over the last year or so, the Election Commission decided to undertake what is known as a Special Intensive Revision, or SIR, an assessment of India’s voter lists to ensure their accuracy. — Pratap Bhanu Mehta, Foreign Affairs, 15 Oct. 2026

This interference was affecting the accuracy of the team’s existing measurement method. — Neetika Walter, Interesting Engineering, 15 Oct. 2026

Formlabs says this allows faster printing without sacrificing surface finish, fine detail, accuracy, or reliability. — Michael Lydick, PC Magazine, 14 Oct. 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