<p><strong>Adjective</strong></p><ul><li>pertaining to, consisting of, or derived from documents: a documentary history of France.</li><li>based on or re-creating an actual event, era, life story, etc., that purports to be factually accurate and contains no fictional elements: a documentary life of Gandhi.</li></ul><p><strong>Noun</strong></p><ul><li>a documentary film, radio or television program, etc.</li></ul>