Pronunciation: (i-lit'ur-u-sē), [key]
—pl. -cies for 3.
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.