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See more synonyms for coextensive on Thesaurus.com
  1. equal or coincident in space, time, or scope.
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Origin of coextensive

First recorded in 1670–80; co- + extensive
Related formsco·ex·ten·sive·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Examples from the Web for coextensive

Historical Examples

  • It will be observed that the problem is not coextensive with the whole field of rights.

    The Common Law

    Oliver Wendell Holmes, Jr.

  • His tribe is coextensive with three-fourths of the continent.

  • But this limit of power is not coextensive with any system of morals.

    The Path of the Law

    Oliver Wendell Holmes, Jr.

  • The songs of a tribe were coextensive with the life of the people.

    Indian Story and Song

    Alice C. Fletcher

  • Impersonal distribution is coextensive with economic production.

British Dictionary definitions for coextensive


  1. of the same limits or extent
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Derived Formscoextensively, adverb
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 coextensive


1771, from co- + extensive.

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Online Etymology Dictionary, © 2010 Douglas Harper