<p><strong>Adjective:</strong></p><ul><li>Next after the fifth; being the ordinal number for six.</li><li>Being one of six equal parts.</li></ul><p><strong>Noun:</strong></p><ul><li>A sixth part, especially of one (1/6).</li><li>The sixth member of a series.</li><li>Music: a tone on the sixth degree from a given tone (counted as a first).</li><li>The interval between such tones.</li><li>The harmonic combination of such tones.</li></ul><p><strong>Adverb:</strong></p><ul><li>In the sixth place; sixthly.</li></ul>