Fetching details from the dictionary...

to go to ruin; to go under; to fall; to be destroyed; to die out; to become extinct; to perish
古代文明はなぜ滅びてしまったのでしょうか。
Why did ancient civilizations perish?
王国は長い戦争によって滅びました。
The kingdom perished due to war.
日本の伝統が少しずつ滅びつつあります。
Japanese traditions are dying out.