<p><strong>Interjection:</strong></p><ul><li>(used, often in quick repetition, as an exclamation of contempt, disdain, impatience, etc.) for shame!</li></ul><p><strong>Noun:</strong></p><ul><li>An exclamation of “tsk.”</li></ul><p><strong>Verb:</strong></p><ul><li>(used without object) to utter the exclamation “tsk.”</li></ul>