Deterioration
Getting Worse
noun, verbal noun
A bad change is exactly what it sounds like: deterioration, aka getting worse .
This is a jukugo word, which usually means on'yomi readings from the kanji. The on'yomi readings of the kanji are あく and か, but here they become あっか, to make the word easier to pronounce. Try and say it out loud to see if you agree.
体調悪化
deterioration in health condition
治安悪化
decline in public safety
関係悪化
deterioration of relations
治安の悪化
decline of public safety
病気の悪化
progression of a disease
クオリティの悪化
decline of quality
悪化がない
there's no deterioration
悪化が早い
deterioration is fast
悪化が大きい
deterioration is extensive
悪化を起こす
generates deterioration
悪化を止める
stops deterioration
悪化をもたらす
brings deterioration
昨日の夜、インフルエンザが一気に悪化した。
Last night, the flu suddenly got worse.
ストレスのせいで、病気の悪化が早い。
Due to stress, the progression of the disease is fast.
最近この辺りは治安がかなり悪化している。
In recent times, there has been a notable decline in the overall safety of this neighborhood.