Meaning : Extremely annoying or displeasing.
Example :
His cavelier curtness of manner was exasperating.
I've had an exasperating day.
Her infuriating indifference.
The ceaseless tumult of the jukebox was maddening.
Synonyms : infuriating, maddening, vexing
Meaning : Making worse.
Synonyms : aggravating, exacerbating