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See more synonyms for imprecise on Thesaurus.com
  1. not precise; not exact; vague or ill-defined.
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Origin of imprecise

First recorded in 1795–1805; im-2 + precise
Related formsim·pre·cise·ly, adverbim·pre·ci·sion [im-pruh-sizh-uh n] /ˌɪm prəˈsɪʒ ən/, im·pre·cise·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for imprecision

Historical Examples

  • The local term in doraghie is apparently the same heard in Ticonderoga--the imprecision of writing Indian making the difference.

    Personal Memoirs Of A Residence Of Thirty Years With The Indian Tribes On The American Frontiers

    Henry Rowe Schoolcraft

British Dictionary definitions for imprecision


  1. not precise; inexact or inaccurate
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Derived Formsimprecisely, adverbimprecision (ˌɪmprɪˈsɪʒən) or impreciseness, 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 imprecision


1803, from assimilated form of in- (1) "not, opposite of" + precision.

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1805, from assimilated form of in- (1) "not, opposite of" + precise. Related: Imprecisely.

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Online Etymology Dictionary, © 2010 Douglas Harper