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Definition of accuracy

accuracy

/ˈæk.jɚ.ə.si/
ac · cu · ra · cy
Adverb:accurately
•
Plural:accuracies
•
Adjective:accurate
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accuracy Lexical Profile

accuracy Game Scores & Validity

• noun

1

The quality or state of being correct, exact, and free from error or defect.

Example

"The historian double-checked primary sources to ensure the accuracy of every date in the manuscript."

2

In science, engineering, and statistics, the degree to which the result of a measurement, calculation, or specification conforms to the true value or a recognized standard.

Example

"Calibrating the laboratory scales before each experiment is essential for maintaining high measurement accuracy."

Synonyms
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Antonyms
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Word Nuance & Usage

In scientific and technical contexts, 'accuracy' refers to how close a measurement is to the true or accepted value, whereas 'precision' refers to how consistently repeated measurements yield the same results.

• Rhymes for accuracy

• Nearby Words

accumulation
accumulative
accumulator
accuracy
accurate
accurately
accurateness

Word Origin & Etymology

Coined in the mid-17th century from the Latin 'accuratus' (done with care), derived from 'ad-' (to) and 'curare' (to take care of, from 'cura' meaning care).

Cite this Entry

Wordmom. (2026). Definition of Accuracy. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/accuracy
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