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Synonyms

inaccurate

American  
[in-ak-yer-it] / ɪnˈæk jər ɪt /

adjective

  1. not accurate; incorrect or untrue.

    Synonyms:
    faulty, wrong, erroneous, loose, inexact

inaccurate British  
/ ɪnˈækjʊrɪt /

adjective

  1. not accurate; imprecise, inexact, or erroneous

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

First recorded in 1730–40; in- 3 + accurate

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.

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Vocabulary lists containing inaccurate

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.

See Examples For:

Also, at five of nine mail processing facilities studied, retail clerks who were postmarking ballots by hand sometimes used stamps with inaccurate dates, according to the report.

From Salon Sep. 11, 2026

Nicaragua's statements "create an inaccurate and distorted picture", said Monar.

From Barron's Sep. 8, 2026

“We don’t want to be putting inaccurate information out there,” said Sam Pennica, director of the county’s Bureau of Forensic Services.

From The Wall Street Journal Sep. 2, 2026

Using AI tools to decide on a Medicare Advantage plan may be complicated at best and inaccurate at worst, analysts said.

From MarketWatch Aug. 28, 2026

To find not only that this bedlam of color was true but that the pictures were pale and inaccurate translations, was to me startling.

From "Travels with Charley in Search of America" by John Steinbeck

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