(1):
(v. t.) To exasperate; to provoke; to irritate.
(2):
(v. t.) To make heavy or heavier; to add to; to increase.
(3):
(v. t.) To give coloring to in description; to exaggerate; as, to aggravate circumstances.
(4):
(v. t.) To make worse, or more severe; to render less tolerable or less excusable; to make more offensive; to enhance; to intensify.