<p><strong>Interjection</strong></p><ul><li>(used as an exclamation of joy, exultation, appreciation, encouragement, or the like.)</li></ul><p><strong>Verb</strong></p><ul><li>(used without object) to shout “hurrah.”</li></ul><p><strong>Noun</strong></p><ul><li>an exclamation of “hurrah.”</li><li>hubbub; commotion; fanfare.</li><li>a colorful or tumultuous event; spectacle or celebration: We celebrated the centennial with a three-day hurrah.</li></ul>