sea change

American  

noun

1. a striking change, as in appearance, often for the better.

2. any major transformation or alteration.

3. a transformation brought about by the sea.

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sea change British  

noun

1. a seemingly magical change, as brought about by the action of the sea

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Etymology

Origin of sea change

First recorded in 1600–10

Example Sentences

Others see the sea change as less a legal tsunami than a tidal cultural shift — one jurors in New Mexico and California are riding, not speaking into existence.

From Los Angeles Times

This sea change was a long time coming.

From MarketWatch

And then, the sea change around NIL meant that an enterprising coach like Underwood could suddenly bid for Europe’s highly advanced teenagers on the open market.

From The Wall Street Journal

The startup hadn’t caught Nvidia’s attention for most of its nine-year existence—until last year, when the AI industry underwent a sea change that breathed new life into the chip giant’s competitors.

From The Wall Street Journal

Towering Inference: The undisputed AI king is confronting a sea change in computing as “inference” emerges as a more significant demand center than training AI models.

From The Wall Street Journal