Dashboard Review Lessons

Learn

Kana Immersion Decks

Look up

Dictionary Grammar Themes Mining

Prove it

Games Exam Badges

Home Review Dictionary Lessons

v0.58What's newStudy levelSend feedbackReviewFriendsSettingsNotifications

© 2026 Nihongo CircleChangelog Genki companion Credits Terms Privacy Security

退化 (たいか) — degeneration | JLPT N1 · Nihongo Circle

退化

たいか

N1

nountransitive 他動詞intransitive 自動詞

Meanings

1degeneration
2retrogression
3atrophy
4regression (e.g. of society)
5deterioration

Your sentences

Kanji in this word

退Retreat, Withdraw, Retire9 strokes 化Change, Take The Form Of, Influence4 strokes

Full entry on Jisho