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In Greek mythology, which shape-shifting sea god could alter his appearance at will?

alter

[awl-ter] / ˈɔl tər /




Usage

What is another way to say alter? To alter is to make some partial change, as in appearance, while still preserving the identity: to alter a dress, as by raising the hem (to change a dress would mean to put on a different one). To change is to make a material difference so that something is distinctly different from what it was: to change one's opinion. 

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:

Note to seniors: The recent changes to charitable deductions don’t alter qualified charitable distributions, or QCDs.

From The Wall Street Journal ● Oct. 30, 2026

"It does not generate new scenes or performances, alter actors' faces or likenesses, or use synthetic voices," he said, adding that a human editor would be "reviewing and approving every stage of the editing process".

From BBC ● Oct. 29, 2026

Before long, dead ends give way to a digital abyss, pulling them both into something that will alter their perception of reality and the lives of hundreds of others called to follow them.

From Salon ● Oct. 29, 2026

If the cooling is sufficiently strong, it could alter ocean circulation around Antarctica in ways that allow more CO2 to be stored beneath the ocean's surface.

From Science Daily ● Oct. 28, 2026

And two, never alter a red Flash, no matter what—altering a red Flash will have repercussions for both you and your loved ones.

From "Split the Sky" by Marie Arnold

Brewers World Series pitcher Logan Henderson grew up cheering for the Astros, but he reluctantly concedes their cheating scandal alters the 2017 title.

From Los Angeles Times ● Oct. 24, 2026

Spanish meteorological research group Climatoc-Lab described it as "a manifestation of how global warming alters the hydrological cycle".

From BBC ● Sep. 22, 2026

Any analysis that requires drilling or removing part of a specimen permanently alters an object that cannot be replaced.

From Science Daily ● Sep. 20, 2026

Whether the latest upswing in crude prices alters their longer-term outlook remains to be seen, as Brent’s return to triple digits sends government bond yields higher.

From The Wall Street Journal ● Sep. 15, 2026

Much as a real mirror introduces changes of its own and does not reflect the simple truth, so this one alters the way the girl looks, revealing a deeper reality.

From "History of Art, Volume 1" by H.W. Janson

Study co-author Dr. Sudipta Show of the Indian Institute of Technology Kanpur said the findings suggest that the forgotten particle may have dramatically altered the expansion history of the young cosmos.

From Science Daily ● Nov. 1, 2026

Target, which redesigned its gift-card program in 2024 to prevent tampering, reminds shoppers on its security webpage to look out for gift-card packaging that looks altered and to only check balances on a specific website.

From The Wall Street Journal ● Oct. 28, 2026

Authorities determined that Owens altered an ultrasound image, fabricated a pregnancy video and lied under oath claiming she was pregnant, according to a statement from prosecutors at the time.

From Los Angeles Times ● Oct. 26, 2026

The team altered only the movements around the eyes and eyebrows, leaving verbal content and vocal delivery unchanged.

From BBC ● Oct. 22, 2026

So when she had grabbed him by the collar at lunch—he swore he could still feel the material bunched between her fists—something inside him had been altered.

From "We'll Fly Away" by Bryan Bliss

The former Board of Public Works member suggested that altering the five-member panel should have been its own item, saying, “The longer the paragraphs are, the fewer words the public will read.”

From Los Angeles Times ● Oct. 30, 2026

Common suggestions include eliminating the income-tax cap, raising the full retirement age, implementing new taxation avenues or altering the cost-of-living adjustment in an effort to boost revenue for the program.

From MarketWatch ● Oct. 29, 2026

The companies leading the race to build artificial superintelligence describe the technology as a force that could reshape entire economies, create vast fortunes and dominate future warfare, potentially altering the geopolitical power balance.

From The Wall Street Journal ● Oct. 15, 2026

"You're altering the microbiome of your gut, and perhaps creating antibiotic resistant bacteria in your body that will fight off the drug therapy the next time you really need it," he said.

From Barron's ● Oct. 8, 2026

He may do this methodically, or he may do it unconsciously by preserving the individuals most useful to him at the time, without any thought of altering the breed....

From "Cosmos" by Carl Sagan


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