floodplain
noun
flood·plain
ˈfləd-ˌplān 
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
Camps must also have emergency rooftop ladders in every cabin in a 100-year floodplain.
—
Rebekah Riess, CNN Money, 5 Sep. 2025
Building into floodplains or wildfire zones is always risky, but rising temperatures, shifting rainfall patterns, and more volatile weather can turn those decisions into systemic threats that overwhelm local economies.
—Felicia Jackson, Forbes.com, 3 Sep. 2025
This deal includes people living outside of floodplains who hadn’t previously been considered at high risk of floods.
—Kansas City Star, 3 Sep. 2025
These places are away from the public eye, but can put people in harm's way due to floodplains, poor quality water and exposure to the elements.
—Gina Lee Castro, jsonline.com, 30 Aug. 2025
See All Example Sentences for floodplain
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Rebekah Riess, CNN Money, 5 Sep. 2025
Building into floodplains or wildfire zones is always risky, but rising temperatures, shifting rainfall patterns, and more volatile weather can turn those decisions into systemic threats that overwhelm local economies.
—Felicia Jackson, Forbes.com, 3 Sep. 2025
This deal includes people living outside of floodplains who hadn’t previously been considered at high risk of floods.
—Kansas City Star, 3 Sep. 2025
These places are away from the public eye, but can put people in harm's way due to floodplains, poor quality water and exposure to the elements.
—Gina Lee Castro, jsonline.com, 30 Aug. 2025
See All Example Sentences for floodplain
Cite this Entry
“Floodplain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/floodplain. Accessed 9 Sep. 2025.
Copy CitationKids Definition
floodplain
noun
flood·plain
-ˌplān
1
: low flat land along a stream or river that may flood
2
: a plain built up from earth left by floodwaters
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