floodgate

noun

flood·​gate ˈfləd-ˌgāt How to pronounce floodgate (audio)
Synonyms of floodgatenext
1
: a gate for shutting out, admitting, or releasing a body of water : sluice
2
: something serving to restrain an outburst
opened the floodgates of criticism

Examples of floodgate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
That decision could also open the floodgates, with schools using those entities to circumvent the cap. Ryan Kartje, Los Angeles Times, 10 June 2026 The floodgates are about to open on Mark Zuckerberg in the first trailer for Aaron Sorkin‘s The Social Reckoning. Larisha Paul, Rolling Stone, 10 June 2026 The floodgates opened early on Friday night at loanDepot Park. Tyler Carmona, Miami Herald, 6 June 2026 Wacha issued a two-out walk and the floodgates opened. Kansas City Star, 31 May 2026 See All Example Sentences for floodgate

Word History

Etymology

Middle English flodgate

First Known Use

13th century, in the meaning defined at sense 1

Time Traveler
The first known use of floodgate was in the 13th century

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Cite this Entry

“Floodgate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/floodgate. Accessed 15 Jun. 2026.

Kids Definition

floodgate

noun
flood·​gate ˈfləd-ˌgāt How to pronounce floodgate (audio)
: a gate (as in a canal) for controlling a body of water : sluice

Legal Definition

floodgate

noun
flood·​gate
: something serving to restrain an outburst (as of litigation)
usually used in pl.
a decision that will open the floodgates for other claims

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