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Synonyms

illiteracy

American  
[ih-lit-er-uh-see] / ɪˈlɪt ər ə si /

noun

illiteracies plural
  1. a lack of ability to read and write.

  2. the state of being illiterate; lack of any or enough education.

  3. a mistake in writing or speaking, felt to be characteristic of an illiterate or semiliterate person.

    a letter that was full of illiteracies.


Other Word Forms

Etymology

Origin of illiteracy

First recorded in 1650–60; illiter(ate) + -acy

Explanation

Illiteracy is the inability to read. You can help someone overcome illiteracy by reading together, or even by sharing your knowledge of vocabulary. The word literacy means “the ability to read.” By adding the prefix il-, you change the meaning of the word to its opposite. Illiteracy can refer not only to the inability to read but also to a lack of knowledge in other subject areas. If you’ve never heard of Shakespeare, some people might consider you culturally illiterate.

Keep Reading on Vocabulary.com

Vocabulary lists containing illiteracy

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.

After confessing his illiteracy on TikTok, a fitness influencer discovered that his online audience was ready to help him learn to read.

From The Wall Street Journal • Mar. 2, 2026

As a tribute to her father, who suffered all his life from illiteracy, she founded the Imagination Library, which provides free books to children from birth until the time they enter school.

From Salon • Jan. 19, 2026

She fears that the absence of this support, due to fear and lack of funds, could increase rates of illiteracy.

From BBC • Feb. 19, 2025

In a lesser-known history, the federal government helped bring public education to Southern white children, whose illiteracy rates prior to Reconstruction were five times as high as in the North.

From Slate • Feb. 6, 2025

But she was so witty and clever and warmhearted that she made of living a high joyous thing and in time he began to overlook her illiteracy.

From "A Tree Grows in Brooklyn" by Betty Smith

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