1.
flood, overflow, inundation
When a river or body of water overflows its banks.
川が氾濫した。
The river flooded.
大雨で氾濫の危険がある。
There is a danger of flooding due to heavy rain.
記録的な豪雨で各地の河川が氾濫した。
Rivers in various areas flooded due to record-breaking heavy rain.
2.
proliferation, being flooded with
An excessive spread or abundance of something (figurative).
情報が氾濫している。
Information is overflowing (there's an excess of information).
フェイクニュースが氾濫する。
Fake news proliferates.
安価な製品が市場に氾濫している。
Cheap products are flooding the market.
氾濫 is used both literally for floods and figuratively for excessive spread.
WORD FORMATION:
- 氾 (overflow) + 濫 (excessive, rampant)
RELATED WORDS:
- 洪水: flood (general term)
- 決壊: dam/levee breach
- 浸水: flooding, submersion
- 冠水: submersion (roads, fields)
COMMON COLLOCATIONS:
- 氾濫危険水位: flood danger water level
- 氾濫警戒: flood warning
- 情報の氾濫: information overload