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

Researchers at Ohio State University College of Nursing have developed a blood test that can potentially predict the risk of preterm birth during the early stages of a pregnancy with about 97.5% accuracy. —Alex Knapp, Forbes, 22 Nov. 2024

But Ridley Scott as well as screenwriter David Scarpa aren't really going for complete historical accuracy here. —Esther Zuckerman, TIME, 22 Nov. 2024

Rock’s talent includes shooting down German plans with a single submachine gun and tossing grenades with great accuracy. —Justin Kroll, Deadline, 20 Nov. 2024

Chains like McDonald’s and Chick-fil-A ranked near the top for accuracy, with both scoring over 90%. —Francisco Velasquez, Quartz, 20 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