<p><strong>Adjective</strong></p><ul><li>radiating or reflecting light; shining; bright</li><li>lighted up or illuminated; well-lighted: the luminous ballroom</li><li>intellectually enlightened or enlightening, as a writer or a writer's works: a luminous concept; luminous prose</li><li>clear; readily intelligible: a concise, luminous report</li></ul><p><strong>Synonyms</strong></p><ul><li>brilliant</li><li>resplendent</li><li>radiant</li><li>lucid</li><li>intelligent</li><li>bright</li><li>lucid</li><li>perspicuous</li><li>understandable</li></ul><p><strong>Antonyms</strong></p><ul><li>dark</li><li>stupid</li><li>obscure</li></ul>