<p><strong>Adjective</strong></p><ul><li>nois·i·er, nois·i·est.</li><li>making much noise: noisy children.</li><li>abounding in or full of noise: a noisy assembly hall.</li><li>characterized by much noise: a noisy celebration; a noisy protest.</li></ul><p><strong>Synonyms</strong></p><ul><li>vociferous</li><li>uproarious</li><li>tumultuous</li><li>clamorous</li></ul><p><strong>Antonyms</strong></p><ul><li>quiet</li></ul>