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.
Crews were hurriedly pumping water from a dam in Cheboygan, Michigan, this week, even removing floodgates to relieve pressure. ABC News, 16 Apr. 2026 In the days since, the floodgates have opened. Meredith Kile, PEOPLE, 14 Apr. 2026 The point is to keep eight low-lying pockets of the Lower East Side from turning into basins once the floodgates close. Eric Klinenberg, New Yorker, 6 Apr. 2026 Once product characters strolled into the park in 1974, the floodgates opened. John Haddad, The Conversation, 3 Apr. 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 19 Apr. 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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