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