"worsening" in the noun sense
1. deterioration, decline in quality, declension, worsening
process of changing to an inferior state
2. worsening
changing something with the result that it becomes worse
"worsening" in the verb sense
1. worsen, decline
grow worse
"Conditions in the slum worsened"
2. worsen, aggravate, exacerbate, exasperate
make worse
"This drug aggravates the pain"
"worsening" in the adjective sense
1. worsening
changing for the worse
"worried by the worsening storm"
Source: WordNet® (An amazing lexical database of English)
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