<p><strong>Noun</strong></p><ul><li>any sudden, uncontrollable outburst; a fit of emotion or action: a paroxysm of laughter; The war unleashed a paroxysm of violence.</li><li>paroxysms of rage; a paroxysm of laughter; a paroxysm of coughing; The war unleashed a paroxysm of violence.</li><li>Pathology. a severe attack or a sudden increase in intensity of a disease, usually recurring periodically.</li></ul>