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

Jones has a lower ceiling, but he's shown more accuracy than Richardson so far. —Steve Bradshaw, Forbes.com, 21 June 2025

His accuracy was really impressive Wednesday and Thursday. —Bruce Feldman, New York Times, 20 June 2025

If that continues, the quality of our foreign policy conversation will degrade even further, not just in accuracy, but in accountability. —Nuri Kino, MSNBC Newsweek, 20 June 2025

Overall, the researchers say that their findings highlight a fundamental trade-off between LLM accuracy and environmental sustainability. —Mack Degeurin, Popular Science, 19 June 2025

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