in flood

phrase

of a river, lake, etc.
: close to overflowing its banks and flooding the land next to it
After a week of rain, the river is in (full) flood.

Note: The phrase in full flood is sometimes used figuratively to describe the time when something is most active, successful, etc.

a political movement that was in full flood in the 1980s

Examples of in flood in a Sentence

Recent Examples on the Web
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The Benbrook City Council passed an ordinance aimed at restricting development in flood-prone areas a year after a home builder sought to develop a section of land in the Mary’s Creek floodplain. — Matthew Adams, Fort Worth Star-Telegram, 30 Oct. 2026 In Laguna Beach, businesses in flood-prone areas such as downtown use floodgates in front of their doors during high tides and storms to keep water out. — Hannah Fry, Los Angeles Times, 30 Oct. 2026 To mitigate flooding, Fort Lauderdale has raised miles of seawalls, installed tidal valves to prevent backflow, and is investing millions more in flood-prevention infrastructure. — Joan Murray, CBS News, 28 Oct. 2026 But Hall had for weeks declined requests from off-duty swiftwater technicians who wanted to be stationed in flood-prone areas before the waters hit. — Abe Streep, ProPublica, 21 Oct. 2026 See All Example Sentences for in flood

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Cite this Entry

“In flood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20flood. Accessed 10 Nov. 2026.

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