[ ak-yer-uh-see ]
See synonyms for accuracy on
noun,plural ac·cu·ra·cies.
  1. the condition or quality of being true, correct, or exact; freedom from error or defect; precision or exactness; correctness.

  2. Chemistry, Physics. the extent to which a given measurement agrees with the standard value for that measurement.: Compare precision (def. 6).

  1. Mathematics. the degree of correctness of a quantity, expression, etc.: Compare precision (def. 5).

Origin of accuracy

First recorded in 1655–65; accur(ate) + -acy

Other words from accuracy

  • hy·per·ac·cu·ra·cy, noun

Words Nearby accuracy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use accuracy in a sentence

British Dictionary definitions for accuracy


/ (ˈækjʊrəsɪ) /

nounplural -cies
  1. faithful measurement or representation of the truth; correctness; precision

  2. physics chem the degree of agreement between a measured or computed value of a physical quantity and the standard or accepted value for that quantity

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