<p><strong>Verb (used with object):</strong></p><ul><li>to undo the clasp or clasps of; unfasten</li><li>to release from the grasp: to unclasp a sword handle</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>to become unclasped, as the hands or arms</li><li>to release or relax the grasp</li></ul>