EXASPERATE

v. 1 anger, infuriate, enrage, incense, madden, rile, drive mad; embitter; inflame; Colloq drive crazy, drive up the wall Dealing with a bureaucracy can be exasperating for anyone 2 irritate, irk, annoy, bother, harass, pique, gall, nettle, rankle, provoke, vex, pester, torment, plague; hector, badger, Colloq bug, needle, peeve, get, get under (someone's) skin, rub (up) the wrong way, aggravate, Slang get (someone's) goat, piss (someone) off The child's constant questions were beginning to exasperate me