What does inaccuracy mean?
Inaccuracy is the state of being wrong, imprecise, or not fully exact. It can refer broadly to the poor quality of a method, measurement, or account, or more specifically to an incorrect statement or detail within it. The word is common in journalism, research, surveying, and other contexts where the precision and reliability of information matter. Unlike the broad word “mistake,” inaccuracy often suggests that something is close to correct but contains a small error, although it can also describe a serious false claim. Adjectives such as “slight” and “significant” indicate the degree of the problem, while the phrase “factual inaccuracy” identifies a false or misleading detail. The related terms “inaccurate” and “accurately” describe how well information represents reality. Inaccuracy is therefore useful when discussing errors that concern measurement, representation, or truthfulness rather than simply describing a careless action.
nounThe quality of being inaccurate or not exact; a statement, measurement, or representation that is incorrect.
- The quality of being inaccurate or not exact.
- A statement, measurement, or representation that is incorrect.
"The researcher acknowledged a minor inaccuracy in the report's final calculation."
"The map's small scale caused a degree of inaccuracy in the distances shown."
"She corrected the inaccuracy in the account before it was published."
Use the plural when referring to separate false or imprecise details.
"The editor identified several inaccuracies in the draft."
A small inaccuracy can undermine confidence in an otherwise precise account.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does inaccuracy come from?
Inaccuracy is an English formation combining the negative prefix “in-” with “accuracy.” Its components ultimately relate to Latin accuratus, meaning “made exact” or “precise,” and toaccurare, “to make exact.” The related English words accurate, accurately, and inaccurate developed from the same Latin foundation, while the negative prefix reversed the idea of exactness to mean its opposite.
Related word forms
How inaccuracy is actually used
The word is neutral to formal in tone. It is especially common in journalism, research, measurement, and fact-checking, where “error” may be broader and more informal.
Easily confused with inaccuracy
Inaccuracy means a lack of correctness or precision, whereas incapacity means an inability or lack of ability.