inaccurate
Americanadjective
adjective
Usage
What does inaccurate mean? Inaccurate describes something that is incorrect, false, or not quite right, as in I came home at 9:30 last night, so saying I was out all night is inaccurate. Inaccurate is the opposite of accurate, which describes something being free of defects or errors. You might describe a scale is inaccurate if it doesn’t show the precise weight of something. Inaccurate can also describe something that is wrong or untrue. You could claim that the lie your brother told about you is inaccurate, especially if there’s a bit of truth in what he said but overall it’s wrong. Example: The results of the test were inaccurate, but they can be used to improve the next one.
Other Word Forms
Etymology
Origin of inaccurate
Explanation
If what you tell me is not exactly right, it is inaccurate. If you measured the amount of rainfall incorrectly, your data about the climate would be inaccurate. Accuracy means being very precise and getting the information right. When something is inaccurate, it is the opposite of exact. If you get a question wrong on a test, your teacher will not say, "You, sir, are inaccurate," she'll just say you are wrong. She might also explain that your inaccurate methodology led to an inaccurate response.
Vocabulary lists containing inaccurate
Fake It 'Til You Make It: Synonyms for "False"
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Common Core Grades 7–8, List 1
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Common Core Grade 6, List 1
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Overpayment notices are often the result of inaccurate information, the Social Security Administration says on its website.
From MarketWatch • Jun. 24, 2026
A new study found that many of our predictions on sea-level rise have been predicated on inaccurate starting numbers.
From Los Angeles Times • Jun. 13, 2026
But the campaigners behind Thursday's report believe more is needed to ensure full transparency, calling in particular for a legally-binding lobby register that would punish companies and groups posting inaccurate data.
From Barron's • Jun. 10, 2026
Research has uncovered men who fought in the battle - but inaccurate records meant their names were not carved on to the memorial's walls - until now.
From BBC • Jun. 6, 2026
His estimates were a little inaccurate, but good enough to make the point.
From "The Scientists" by John Gribbin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
