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

Unlike fragile physical qubits, which suffer rapid calculation decay from environmental noise, logical qubits group multiple physical qubits together using software protocols to ensure computational stability and accuracy. — Prabhat Ranjan Mishra, Interesting Engineering, 25 Sep. 2026

Snow covered the introduction of 7 PRC and has seen excellent accuracy with it at ranges near and far. — John B. Snow, Outdoor Life, 24 Sep. 2026

There are moments of startling accuracy and realness within that film. — David Canfield, HollywoodReporter, 24 Sep. 2026

Scales to help ensure order accuracy — which are already in use at 10,000 restaurants globally — will be in 20,000 restaurants by 2028, McDonald’s said. — Dee-Ann Durbin, Los Angeles Times, 24 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