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

• accurateness
• closeness
• delicacy
• exactitude
• exactness
• fineness
• nicety
• perfection
• preciseness
• precision
• rigor
• rigorousness
• ultraprecision
• veracity

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

Indeed, a scholar at West Point, assessing the Israeli programs, observed that more information could make for greater accuracy. —Yasmeen Serhan, TIME, 18 Dec. 2024

Today’s difficulty The difficulty score is an average rating from our testers, who play the game in advance to check for quality and accuracy. —Mark Cooper, The Athletic, 18 Dec. 2024

For Google Search, this means that, historically, Google wasn’t asked to take responsibility for the truth or accuracy of whatever might come up as the top hit. —Jonathan L. Zittrain, The Atlantic, 17 Dec. 2024

The Golden Globes’ decision to nominate most of these films’ lead actresses demonstrates the accuracy of these instincts. —Robyn Bahr, The Hollywood Reporter, 17 Dec. 2024

Word History

Etymology

accur(ate) + -acy

First Known Use

1644, in the meaning defined at sense 1

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