Deteriorate

"Deteriorate" in Japanese

悪くする

waruku suru

(make worse)

悪くなる

waruku naru

(grow worse)

悪化させる

akka saseru

(make worse)

悪化する

akka suru

(grow worse)

改悪する

kaiaku suru

(make worse)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.