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

With these two studies, researchers showed for the first time that debate may make a difference in allowing other AI systems to judge the accuracy of an LLM’s pronouncements. —Stephen Ornes, Quanta Magazine, 8 Nov. 2024

Of course, all the groundhogs have different predictions, and their rates of accuracy are often below 50 percent. —Corey Buhay, Outside Online, 7 Nov. 2024

The report includes certifications required under the Sarbanes-Oxley Act, affirming the accuracy of the financial statements and the effectiveness of the fund's internal controls over financial reporting. —Quartz Bot, Quartz, 7 Nov. 2024

Guaranteeing the accuracy of the data is just the start. —Caroline Reid, Forbes, 5 Nov. 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