HSK 6 HSK V7-9
Correct

泛滥

/ fànlàn /
Strokes

Definition

to be in flood/to overflow (the banks)/to inundate/to spread unchecked

Example

As a Verb

flood; inundate; deluge

1
shuǐ
河水
fànlàn
泛滥
  

The river is in flood. / The river has flooded. / The river overflows.

As a Verb

(of bad ideas or unhealthy tendencies) spread unchecked; run rampant/unchecked