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

Eyewitness memory researchers are turning toward other clues that might indicate accuracy. — Stephanie Pappas, Scientific American, 17 Sep. 2026

Co-op fund governance and rebate accuracy form the operational foundation of partner trust, and partner trust is the competitive edge in winning the best resellers. — Jason Atkins, Forbes.com, 16 Sep. 2026

The Smithsonian, for its part, has defended its approach as grounded in scholarship, accuracy and nonpartisanship. — Paloma Chavez, PEOPLE, 16 Sep. 2026

McCord threw for 446 yards, four touchdowns and no interceptions, on 46-for-70 accuracy, for the Packers in preseason. — Barry Jackson, Miami Herald, 16 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