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 researchers further found that UQ-DAAAM improved the accuracy of answers to questions about objects, their locations, and when the robot last encountered them. — Jijo Malayil, Interesting Engineering, 6 Nov. 2026

Fifita has also added three rushing touchdowns and has good mobility, but his true superpower in his accuracy in and outside the pocket. — Steven Johnson, Fort Worth Star-Telegram, 4 Nov. 2026

Such opinions are based upon information the analysts consider reliable, but neither CNBC nor its affiliates and/or subsidiaries warrant its completeness or accuracy, and it should not be relied upon as such. — CNBC, 4 Nov. 2026

Having a 6-point accuracy could come in handy in that situation. — David English, PC Magazine, 4 Nov. 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