<p><strong>Noun:</strong></p><ul><li>a sudden and violent blow or impact; collision.</li><li>a sudden or violent disturbance or commotion: the shock of battle.</li><li>a sudden or violent disturbance of the mind, emotions, or sensibilities: The burglary was a shock to her sense of security.</li><li>the cause of such a disturbance: The rebuke came as a shock.</li><li>Pathology: a collapse of circulatory function, caused by severe injury, blood loss, or disease, characterized by pallor, sweating, weak pulse, and very low blood pressure.</li><li>the physiological effect produced by the passage of an electric current through the body.</li><li>shocks, Informal: shock absorbers, especially in the suspension of an automobile.</li></ul><p><strong>Verb:</strong></p><ul><li>to strike or jar with intense surprise, horror, disgust, etc.: He enjoyed shocking people.</li><li>to strike against violently.</li><li>to give an electric shock to.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>to undergo a shock.</li></ul>