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inaccurate

[in-ak-yer-it]
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adjective
  1. not accurate; incorrect or untrue.
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Origin of inaccurate

First recorded in 1730–40; in-3 + accurate
Related formsin·ac·cu·rate·ly, adverbin·ac·cu·rate·ness, noun

Synonyms

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inexact, loose; erroneous, wrong, faulty.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for inaccurate

inaccurate

adjective
  1. not accurate; imprecise, inexact, or erroneous
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Derived Formsinaccurately, adverbinaccurateness, noun
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

Word Origin and History for inaccurate

adj.

1738, from in- (1) "not" + accurate. Related: Inaccurately (1660s).

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Online Etymology Dictionary, © 2010 Douglas Harper