<p><strong>Adjective</strong></p><ul><li>chief;</li><li>principal;</li><li>most important;</li><li>foremost: a leading toy manufacturer.</li><li>coming in advance of others; first: We rode in the leading car.</li><li>directing, guiding.</li><li>Synonyms: ruling</li></ul><p><strong>Noun</strong></p><ul><li>the act of a person or thing that leads.</li></ul>