flashflood
/ˈflæʃ ˌflʌd/
noun
- A sudden, violent flood that occurs within a short time, usually after heavy rain.
- The flashflood swept away cars and damaged homes in the valley.
- After just an hour of rain, a flashflood rushed through the dry riverbed.
- Hikers were warned to avoid the canyon because of the risk of a flashflood.
Antonyms