Noun [ u or s ] uk / ˈwɜː.s ə n.ɪŋ / us / ˈwɝː.s ə n.ɪŋ /. The process of becoming worse: Any worsening of air quality is. Deterioration, weakening, failing, fading, sinking, degeneration,.
Deterioration, weakening, failing, fading, sinking, degeneration,. Any worsening of air quality is. Noun [ u or s ] uk / ˈwɜː.s ə n.ɪŋ / us / ˈwɝː.s ə n.ɪŋ /. The process of becoming worse: Deterioration, weakening, failing, fading, sinking, degeneration,.
