sea change
Americannoun
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a striking change, as in appearance, often for the better.
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any major transformation or alteration.
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a transformation brought about by the sea.
noun
Etymology
Origin of sea change
First recorded in 1600–10
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.
In it, Burnham writes that by shifting decision-making power out of London, he hopes to bring about the "much-needed sea change in the way Britain is run".
From BBC ● Jul. 23, 2026
Adding complex investments like private equity or hedge funds as a standard part of the mix would be a sea change.
From Salon ● Jul. 9, 2026
“This industry is going through a sea change, and we think multiples will increase commensurate with the revenue growth these companies are beginning to produce,” Mazza said.
From The Wall Street Journal ● Jul. 6, 2026
That would be the first hike by the Fed in three years and a sea change in the outlook for financial markets.
From MarketWatch ● Jun. 24, 2026
As the movement escalated, it became clear that a sea change was occurring not just in America but within black America itself.
From "The Best of Enemies" by Osha Gray Davidson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
