"exacerbating" in the verb sense
1. worsen, aggravate, exacerbate, exasperate
make worse
"This drug aggravates the pain"
2. exacerbate, exasperate, aggravate
exasperate or irritate
"exacerbating" in the adjective sense
1. aggravating, exacerbating, exasperating
making worse
Source: WordNet® (An amazing lexical database of English)
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