Deterioration
Degradation
noun, verbal noun
Your inferiority has changed. In fact, it's getting worse and worse, changing by the minute. Each minute that goes by is another minute where you're getting worse. This is deterioration.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
女優やモデルの見た目が以前よりも老けた時、日本のネット用語で「劣化した」と言います。
When actresses or models age and look older than they use to, the Japanese internet word for them is "deteriorated."