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dyslexia

American  
[dis-lek-see-uh] / dɪsˈlɛk si ə /

noun

  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.


dyslexia British  
/ dɪsˈlɛksɪə /

noun

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

"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

dyslexia Scientific  
/ dĭs-lĕk′sē-ə /
  1. A learning disability marked by impairment of the ability to recognize and comprehend written words.


dyslexia Cultural  
  1. 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.


Usage

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

Other Word Forms


Etymology

Origin of dyslexia

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


Explanation

Dyslexia is a reading disorder. People who have dyslexia have trouble matching the sounds in words with the letters and letter combinations that make those sounds. Dyslexia is from the Greek roots dys, "difficult," and lexis, "word." Although dyslexia literally means "difficulty with words," someone who has dyslexia may also have trouble in other areas like math, telling time, or even telling left and right. However, there's no lack of intelligence associated with dyslexia: famous dyslexics include Thomas Edison, John Lennon, and Whoopi Goldberg.

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Vocabulary lists containing dyslexia

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Among those who got new cars last year: 40 people whose primary medical condition was tennis elbow, 50 with wheat intolerance and 320 with dyslexia, according to government figures.

From The Wall Street Journal ● Oct. 12, 2026

Aggression and anger existed in my life because I didn’t understand what happened to me with dyslexia and how I felt about myself.

From The Wall Street Journal ● Sep. 21, 2026

Karl, whose father served in the SAS, says the Army helped build his confidence, but the "damage was done" in his early childhood, with undiagnosed dyslexia making him a target for bullies.

From BBC ● Sep. 19, 2026

"I was an underachiever. My dyslexia was not identified until my last year in school."

From BBC ● Sep. 19, 2026

I discovered Annabeth was right about my dyslexia: Ancient Greek wasn’t that hard for me to read At least, no harder than English.

From "The Lightning Thief" by Rick Riordan

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