Main entry: exacerbating, exasperating, aggravating
Definition: making worse
Main entry: vexing, infuriating, exasperating, maddening
Definition: extremely annoying or displeasing
Usage: his cavelier curtness of manner was exasperating; I've had an exasperating day; her infuriating indifference; the ceaseless tumult of the jukebox was maddening