The Collaborative International Dictionary
exacerbating
exacerbating \ex*ac"er*ba`ting\ ([e^]gz*[a^]s"[~e]r*b[=a]`t[i^]ng), adj. Making worse.
Syn: aggravating, exasperating.
Wiktionary
exacerbating
vb. (present participle of exacerbate English)
WordNet
exacerbating
adj. making worse [syn: aggravating, exasperating]