To aggravate is to make more serious or more grave: to aggravate a danger, an offense, a wound. To intensify is perceptibly to increase intensity, force, energy, vividness, etc.: to intensify heat, color, rage. 2. anger, vex, rile. ANTONYMS 1. alleviate. USAGE The two most common senses of aggravate are “to make worse” and “to annoy or exasperate.” More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.