sea change

noun

1
archaic : a change brought about by the sea
2
: a marked change : transformation
a sea change in public policy

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In The Tempest, William Shakespeare’s final play, sea change refers to a change brought about by the sea: the sprite Ariel, who aims to make Ferdinand believe that his father the king has perished in a shipwreck, sings within earshot of the prince, “Full fathom five thy father lies...; / Nothing of him that doth fade / But doth suffer a sea-change / into something rich and strange.” This is the original, now-archaic meaning of sea change. Today the term is used for a distinctive change or transformation. Long after sea change gained this figurative meaning, however, writers continued to allude to Shakespeare’s literal one; Charles Dickens, Henry David Thoreau, and P.G. Wodehouse all used the term as an object of the verb suffer, but now a sea change is just as likely to be undergone or experienced.

Examples of sea change in a Sentence

Recent Examples on the Web
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The collaboration between the two companies, which have in the past avoided public partnerships, is a sign that the AI boom has caused somewhat of a sea change in Silicon Valley alliances. — CNBC, 16 Oct. 2026 That would represent a sea change from the low-interest environment that nations have long enjoyed. — Laurent Belsie, Christian Science Monitor, 13 Oct. 2026 Through the upper atmosphere, a trough of lower pressure is set to dislodge our heat wave and quickly usher in a sea change. — Sean MacAday, Sacbee.com, 5 Oct. 2026 Ecologist Muhammad Azmi Abdul Wahab is at the forefront of a sea change in coral-reef restoration. — Olivia B. Waxman, Time, 30 Sep. 2026 See All Example Sentences for sea change

Word History

First Known Use

1612, in the meaning defined at sense 1

Time Traveler
The first known use of sea change was in 1612

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Cite this Entry

“Sea change.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20change. Accessed 25 Oct. 2026.

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