<p><strong>Adjective</strong></p><ul><li>High-pitched and piercing in sound quality: a shrill cry.</li><li>Producing such a sound.</li><li>Full of or characterized by such a sound: shrill music.</li><li>Betraying some strong emotion or attitude in an exaggerated amount, as antagonism or defensiveness.</li><li>Marked by great intensity; keen: the shrill, incandescent light of the exploding bomb.</li></ul><p><strong>Verb</strong></p><ul><li>(used with or without object) To cry shrilly.</li></ul><p><strong>Noun</strong></p><ul><li>A shrill sound.</li></ul><p><strong>Adverb</strong></p><ul><li>In a shrill manner; shrilly.</li></ul>