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[in-di-jes-chuh n, -dahy-]
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  1. uncomfortable inability or difficulty in digesting food; dyspepsia.
  2. an instance or case of indigestion.

Origin of indigestion

1400–50; late Middle English < Late Latin indīgestiōn- (stem of indīgestiō). See in-2, digestion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for indigestion


  1. difficulty in digesting food, accompanied by abdominal pain, heartburn, and belchingTechnical name: dyspepsia
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 indigestion


late 14c., from Old French indigestion (13c.), from Late Latin indigestionem (nominative indigestio), from in- "not, opposite of" (see in- (1)) + digestionem (see digestion).

Online Etymology Dictionary, © 2010 Douglas Harper

indigestion in Medicine


(ĭn′dĭ-jĕschən, -dī-)
  1. The inability to digest or a difficulty in properly digesting food in the alimentary tract.
  2. Abdominal discomfort or illness resulting from this inability or difficulty.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

indigestion in Science


  1. See dyspepsia.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.