[ dis-lek-see-uh ]

  1. any of various reading disorders associated with difficulty decoding written language and integrating auditory and visual information, such as the association of phonemes with letter combinations in spelling.

Origin of dyslexia

First recorded in 1885–90; from New Latin, from Greek dys- dys- + léx(is) “speech, text, word” (see lexis ) + -ia -ia

Words Nearby dyslexia

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How to use dyslexia in a sentence

British Dictionary definitions for dyslexia


/ (dɪsˈlɛksɪə) /

  1. a developmental disorder which can cause learning difficulty in one or more of the areas of reading, writing, and numeracy: Nontechnical name: word blindness

Origin of dyslexia

from dys- + -lexia from Greek lexis word

usage For dyslexia

Rather than talking about a person being dyslexic or about dyslexics, it is better to talk about a person with dyslexia, people with dyslexia

Derived forms of dyslexia

  • dyslectic (dɪsˈlɛktɪk), adjective, noun
  • dyslexic, adjective

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

Scientific definitions for dyslexia


[ dĭs-lĕksē-ə ]

  1. A learning disability marked by impairment of the ability to recognize and comprehend written words.

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

Cultural definitions for dyslexia


[ (dis-lek-see-uh) ]

Difficulty in reading when experienced by persons with normal vision and normal or above-normal intelligence. A common example of dyslexia is reading words with the letters in reverse order, as in fyl for fly.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.