• synonyms


noun Pathology.
  1. a neurologic disorder marked by loss of the ability to understand written or printed language, usually resulting from a brain lesion or a congenital defect.
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Origin of alexia

1875–80; a-6 + Greek léx(is) speech (leg- stem of légein to speak + -sis -sis) + -ia; altered meaning by association of -lex- with lexicon, etc.
Also called word blindness.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for alexia


  1. a disorder of the central nervous system characterized by impaired ability to readNontechnical name: word blindness Compare aphasia
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Word Origin

C19: from New Latin, from a- 1 + Greek lexis speech; influenced in meaning by Latin legere to read
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

alexia in Medicine


  1. Loss of the ability to comprehend the meaning of written or printed words and sentences, usually caused by brain lesions.text blindness visual aphasia word blindness
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Related formsa•lexic adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.