na-adjective
prosperous; flourishing; thriving
Used for industries, businesses, towns, regions, and activities that are doing well or flourishing.
この町では観光業が盛んだ。
The tourism industry is thriving in this town.
na-adjective
Often describes a sport, custom, study, religion, or local activity that many people do or that is well established in a place.
この地域ではサッカーが盛んだ。
Soccer is popular in this region.
na-adjective
active; lively; vigorous; strong
Describes energetic activity, lively movement, strong force, or vigorous bodily or natural processes.
成長期は新陳代謝が盛んだ。
Metabolism is active during the growth period.
血気盛んな若者たちが集まった。
Hot-blooded young people gathered.
na-adjective
enthusiastic; eager; frequent; repeated
Especially common as 盛んに, describing someone doing something eagerly or an action occurring often and repeatedly.
彼は新しい企画を盛んに勧めている。
He is eagerly promoting the new project.
最近、この問題が盛んに議論されている。
Recently, this issue has been discussed frequently.