1.
flood, inundation
An overflow of water that submerges land which is usually dry, often caused by heavy rain, river overflow, or dam failure.
大雨で川が氾濫し、洪水が起きた。
Heavy rain caused the river to overflow, resulting in a flood.
洪水で多くの家が浸水した。
Many houses were flooded due to the flood.
洪水被害を防ぐため堤防が作られた。
A levee was built to prevent flood damage.
洪水 refers to large-scale flooding, typically caused by heavy rain, river overflow, or typhoons.
COMMON COLLOCATIONS:
- 洪水が起きる: a flood occurs
- 洪水被害: flood damage
- 洪水警報: flood warning
- 洪水に見舞われる: to be hit by a flood
- 洪水ハザードマップ: flood hazard map
RELATED TERMS:
- 氾濫: overflow, flooding (often of rivers)
- 浸水: inundation (water entering buildings)
- 堤防: levee, embankment
- 大雨: heavy rain
CULTURAL NOTE:
Japan experiences frequent flooding during the 梅雨 (rainy season) and 台風 (typhoon) season. 洪水ハザードマップ are widely distributed by local governments.