flashflood

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Definitions from WordNet

Noun flashflood has 1 sense

flash flood, flashflood - a sudden local flood of great volume and short duration
--₁ is a kind of flood, inundation, deluge, alluvion
--₁ has particulars: floodhead

Definitions from the Web

Flashflood

Noun

Sense 1: A sudden and rapid flooding of a normally dry area due to heavy rainfall.

Example Sentence: The desert was transformed into a raging river after the flashflood.

Verb

Sense 1: To flood or overflow rapidly due to heavy rainfall.

Example Sentence: The streets flashflooded during the torrential downpour.

Adjective

Sense 1: Describing something that is related to or characteristic of a flashflood.

Example Sentence: The flashflood situation required immediate evacuation.