<p><strong>Adjective:</strong></p><ul><li>unable to read and write: an illiterate group.</li><li>having or demonstrating very little or no education.</li><li>showing lack of culture, especially in language and literature.</li><li>displaying a marked lack of knowledge in a particular field: He is musically illiterate.</li></ul><p><strong>Noun:</strong></p><ul><li>an illiterate person.</li></ul>