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

The concept blends the accuracy of modern bioprinting with the simplicity of ingestible medical devices. —Aamir Khollam, Interesting Engineering, 17 Oct. 2025

The investigation was launched in July after Ofcom examined the BBC’s own internal review, which had concluded the program breached the corporation’s editorial guidelines on accuracy. —Naman Ramachandran, Variety, 17 Oct. 2025

Peter Johnston, independent of BBC News and current affairs, also concluded that the program breached a guideline on accuracy, which deals with misleading audiences. —Lily Ford, HollywoodReporter, 17 Oct. 2025

An editor verified the accuracy of the information before publishing. —Dave Smith, Fortune, 17 Oct. 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