<p><strong>Adjective</strong></p><ul><li>incapable of being denied or disputed</li><li>undeniable evidence of arson</li><li>not open to refusal</li><li>an undeniable call for help</li><li>unquestioned as to quality</li><li>merit</li><li>etc.; indisputably good</li><li>undeniable artistic talent</li></ul><p><strong>Synonyms</strong></p><ul><li>sure</li><li>certain</li><li>clear</li><li>evident</li><li>obvious</li><li>unquestionable</li><li>incontestable</li><li>incontrovertible</li></ul>