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