<p><strong>Verb (used without object):</strong></p><ul><li>to wriggle or writhe</li><li>to feel or display discomfort or distress, as from reproof, embarrassment, pain, etc. (e.g., He squirmed under the judge's questioning)</li></ul><p><strong>Noun:</strong></p><ul><li>the act of squirming</li><li>a squirming or wriggling movement</li></ul>