flood·​plain | \ ˈfləd-ˌplān How to pronounce floodplain (audio) \

Definition of floodplain

1 : level land that may be submerged by floodwaters
2 : a plain built up by stream deposition

Examples of floodplain in a Sentence

Recent Examples on the Web

My corner of the Netflix floodplain has plenty of these international dramas to choose from. Taylor Antrim, Vogue, "Netflix's Delhi Crime Is Your Next International Crime Binge," 26 Apr. 2019 Invoking Justice Kennedy’s muddled opinion, the Obama EPA claimed all land within a 100-year floodplain and 1,500 feet of the high-water mark or 4,000 feet of waters already under its jurisdiction—namely, rivers, tributaries and adjacent wetlands. The Editorial Board, WSJ, "Trump’s Regulatory Dredging," 11 Dec. 2018 But along what appears to have been a prehistoric floodplain, there were more than 70 tracks of eight different species. Fox News, "Adm. Mike Mullen on ex-intel officials keeping clearances; Mulvaney on potential storm clouds ahead for Trump economy," 19 Aug. 2018 These steep-sided, straitjacketed streams lost the ability to spill onto their floodplains and recharge aquifers. Ben Goldfarb, Science | AAAS, "Beaver dams without beavers? Artificial logjams are a popular but controversial restoration tool," 7 June 2018 Restoration work, which was funded in part by a grant from the Ohio Environmental Protection Agency, included improving the channel pattern, constructing riffles and additional floodplain, bank stabilization structures and native plantings. Sheila Vilvens, Cincinnati.com, "More than coffee found at Milford's The Main Cup," 2 May 2018 After Hurricane Floyd in 1999 caused widespread flooding and devastated many farms, killing animals and causing waste to leak into waterways, the state started a program to buy up farms on floodplains. Kris Maher, WSJ, "Hog Farmers in Florence’s Path Working Overtime to Prepare," 12 Sep. 2018 State taxpayers ended up buying out and closing 43 farms located in floodplains. Michael Biesecker, Fox News, "Hurricane could flood many waste sites, creating toxic brew," 12 Sep. 2018 These bayous, which affect what areas are considered part of the floodplains, were hurt by two other events: the Tax Day 2016 flood and the Memorial Day 2015 flood, both of which reached what are called 500-year-storm levels. Nancy Keates, WSJ, "How Harvey Transformed House-Hunting in Houston," 24 Oct. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'floodplain.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of floodplain

1873, in the meaning defined at sense 1

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Statistics for floodplain

Last Updated

23 May 2019

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Time Traveler for floodplain

The first known use of floodplain was in 1873

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English Language Learners Definition of floodplain

: an area of low, flat land along a stream or river that may flood
: an area of land built up from soil left by floods


flood·​plain | \ ˈfləd-ˌplān How to pronounce floodplain (audio) \

Kids Definition of floodplain

: low flat land along a stream that is flooded when the stream overflows

More from Merriam-Webster on floodplain

Rhyming Dictionary: Words that rhyme with floodplain

Britannica.com: Encyclopedia article about floodplain

Comments on floodplain

What made you want to look up floodplain? Please tell us where you read or heard it (including the quote, if possible).


incapable of being surmounted or overcome

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