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Synonyms

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.

See Examples For:

"It really was this huge groundswell… that was clearly saying: We want one of us to represent us in City Hall," he says.

From BBC Jul. 18, 2026

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

And yet, the groundswell of outrage that I expected from my community hasn’t materialized.

From The Wall Street Journal Feb. 27, 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

The Exposition Company’s decision raised a groundswell of greed throughout Chicago’s South Side.

From "The Devil in the White City" by Erik Larson

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