/ Dictionary / Index I illiteracy: Meaning and Definition of Find definitions for: il•lit•er•a•cy Pronunciation: (i-lit'ur-u-sē), [key] — pl. -cies a lack of ability to read and write. the state of being illiterate; lack of any or enough education. 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. See also: illiteracy (Thesaurus) illite illiterate Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language