the world > action or operation > manner of action > violent action or operation > severity > [noun] > making more severe (5)
The action or process of aggravate, v. (in various senses).
Increase in severity (of disease, sufferings, punishments, etc.); an instance of this. Chiefly Pathology, a paroxysm (of a fever, etc.); also trans…
Of a disease, etc.: Increase of violence or malignity; exacerbation; an instance of this.
Increase of gravity or seriousness; aggravation.