濫 (excessive, overflow, spread out)

しかし、横綱免許を濫発したことが却って横綱の権威を損なう結果を招いた。

However, excessive issuing of yokozuna licenses had the opposite effect that resulted in ruining yokozuna's authority.

台風たいふうで川かわが氾濫はんらんした。

The typhoon caused the river to flood.

この川かわは氾濫はんらんしそうだ。

This river is going to overflow.