To make greater in intensity or severity
To trouble the nerves or peace of mind of, especially by repeated vexations
To make worse
See syn. study at
Famine and sickness had begun to aggravate the situation.
A clash with Parma occurred to aggravate his troubles.
She wanted to aggravate the neighbor.
Some of these will be stricter, and some laxer; but all tend to aggravate the law.
As a matter of fact, the only effect of this election was to aggravate the mayor.