1.
prosperous, thriving, flourishing
Describes something that is doing well and growing, such as an industry or business.
貿易が盛んな国。
A country where trade is thriving.
この地域では農業が盛んです。
Agriculture is thriving in this region.
江戸時代は商業が非常に盛んだった。
Commerce was extremely prosperous during the Edo period.
2.
active, lively, vigorous
Describes active participation or energetic activity.
盛んに拍手する。
To applaud enthusiastically.
Adverbial form: 盛んに
盛んな議論が行われた。
A lively discussion took place.
Modifier: 盛んな + noun
子供たちが盛んに手を挙げて質問していた。
The children were enthusiastically raising their hands and asking questions.
3.
popular, prevalent
Describes something that is widely practiced or enthusiastically embraced.
日本では野球が盛んだ。
Baseball is popular in Japan.
この町では昔からお祭りが盛んだ。
Festivals have been popular in this town since long ago.
この地方では昔から漁業が盛んで、新鮮な魚がいつでも手に入る。
Fishing has been thriving in this region for a long time, and fresh fish is always available.
盛ん is a na-adjective meaning 'prosperous,' 'thriving,' or 'active.'
Forms:
- Adverbial: 盛んに
- Modifier: 盛んな + noun
Conjugation:
- Negative: 盛んではない / 盛んじゃない
- Te-form: 盛んで
- Past: 盛んだった
Usage pattern: More common as a predicate (〜が盛んだ) than as a modifier.
Common collocations: 盛んな活動 (active efforts), 盛んな議論 (lively debate), 盛んに行われる (to be actively conducted).