1) Aggravating 2) Exasperating 3) Intensifying 4) Making worse 1) Aggravating 2) Intensifying 
exacerbate, exacerbating 1. To increase the severity of, to aggravate, to exasperate, to irritate. 2. To increase the smartness or bitterness of; to embitter; to aggravate (disease, pain, annoyance, etc.).