Floodplain
Floodplain noun - A low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding.
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Synonyms for Floodplain
Gap and floodplain are semantically related. In some cases you can use "Gap" instead a noun "Floodplain".
Gap
Gap noun - A narrow opening between hillsides or mountains that can be used for passage.
Usage example: thought they were stuck until they found a gap in the mountain range that they could hike through
Floodplain and gap are semantically related. Sometimes you can use "Floodplain" instead a noun "Gap".
Cite this Source
Gap and Floodplain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/floodplain/gap
Floodplain & Gap. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/floodplain/gap>.
Gap or Floodplain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/floodplain/gap.
Google Ngram Viewer shows how "floodplain" and "gap" have occurred on timeline