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

• 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

Instead, restore funnel momentum by better understanding your target audience and their interests, sequencing systematically and prioritizing data accuracy and content relevance. —Paula Chiocchi, Forbes.com, 21 Aug. 2025

Using a bidet seat that doesn’t match your toilet can lead to issues such as leaking and poor accuracy of the cleaning nozzle. —Bestreviews, Chicago Tribune, 21 Aug. 2025

The 16-inch OLED display has a 3K resolution and provides sharp, clear image quality with intense darks and unparalleled color accuracy. —PC Magazine, 20 Aug. 2025

The recall raised questions about the accuracy of marijuana product labels, with the CRA also arguing that Viridis was inflating THC (the psychoactive component of the marijuana plant) levels. —Adrienne Roberts, Freep.com, 20 Aug. 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