廃れる

すたれるsutareru

ichidan verb · intransitive

1. to go out of use
2. to become obsolete
3. to die out
4. to go out of fashion
5. to go out of style
6. to decline (e.g. of morals)
7. to be lost
8. to go into decline (of a town, business, etc.)

Study it in Yanamino