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groundswell

American  
[ground-swel] / ˈgraʊndˌswɛl /

noun

  1. a broad, deep swell or rolling of the sea, due to a distant storm or gale.

  2. any surge of support, approval, or enthusiasm, especially among the general public.

    a groundswell of political support for the governor.


groundswell British  
/ ˈɡraʊndˌswɛl /

noun

  1. a considerable swell of the sea, often caused by a distant storm or earthquake or by the passage of waves into shallow water

  2. a strong public feeling or opinion that is detectable even though not openly expressed

    a groundswell of discontent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of groundswell

First recorded in 1810–20; ground 1 + swell

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They have also given voice to a groundswell of frustration with L.A.’s Democratic establishment and created space for more pressing debate on the future direction of the city.

From Los Angeles Times • May 18, 2026

Some are speaking up, but I don't yet detect a groundswell of pressure.

From BBC • Apr. 17, 2026

The conservatorship was dissolved by a Los Angeles court in 2021, after a groundswell of public support to "Free Britney."

From Barron's • Mar. 5, 2026

Mamdani won a groundswell of support by promising bold and reasonable policies based on what the people told him.

From Salon • Feb. 23, 2026

White Southerners could ignore the groundswell of discontent, but, especially following World War II, blacks were simply not going to tolerate a life separate from and unequal to the American mainstream.

From "The Best of Enemies" by Osha Gray Davidson

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