<p><strong>Adjective</strong></p><ul><li>Without color: Pure water is colorless.</li><li>Pallid; dull in color: a colorless complexion.</li><li>Lacking vividness or distinctive character; dull; insipid: a colorless description of the parade.</li><li>Synonyms: unexciting, lackluster, drab, dreary.</li><li>Unbiased; neutral.</li></ul>