Flash flood
Flash flood noun - A sudden local flood of great volume and short duration.
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Synonyms for Flash flood
Niagara and flash flood are semantically related In some cases you can use "Niagara" instead a noun phrase "Flash flood".
Niagara
Niagara noun - A great flow of water or of something that overwhelms.
Flash flood and Niagara are semantically related in flood topic. Sometimes you can use "Flash flood" instead a noun "Niagara".
Mutual synonyms
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Cite this Source
Niagara and Flash flood. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/flash_flood/niagara
Flash flood & Niagara. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/flash_flood/niagara>.
Niagara or Flash flood. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/flash_flood/niagara.
Google Ngram Viewer shows how "flash flood" and "Niagara" have occurred on timeline