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

alter

[awl-ter] / ΛˆΙ”l tΙ™r /




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:

AI is surpassing human abilities in pursuits from mathematics to computer programming, while threatening to alter or even eradicate many jobs.

From Barron's ● Oct. 16, 2026

The figure helps introduce the exhibition’s exploration of humanity’s relationship to nature; Albuquerque imagines the character as the maker of her landscape projects and considers her an alter ego.

From Los Angeles Times ● Oct. 13, 2026

If traditional milestones like buying a home feel completely out of reach, behavioral experts say it can alter how people approach their everyday money decisions.

From MarketWatch ● Oct. 13, 2026

Treating the Lawson criterion as a single unchanging threshold overlooks physical processes that can substantially alter the requirements for ignition.

From Science Daily ● Oct. 10, 2026

I can alter the gray visions in some small way and it’s no big deal.

From "Split the Sky" by Marie Arnold

That alters the calculation about when to draw benefits.

From The Wall Street Journal ● Sep. 30, 2026

In her version, Bernhard alters the lyrics to pay tribute to Sylvester, whose untimely death left an immense legacy.

From Salon ● Sep. 5, 2026

Infant formula is designed to provide the correct balance of nutrients for babies when mothers cannot or choose not to breastfeed, and adding extra water alters that balance.

From BBC ● Aug. 16, 2026

Future studies could determine whether it alters other features of the mouth that contribute to healthy teeth and gums.

From Science Daily ● Jul. 27, 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

Understand the world with the help of the Muppets: In 2012, Dahlia Lithwick published a piece of cultural analysis that permanently altered how readers viewed their marriages, their workplaces, and the U.S.

From Slate ● Oct. 16, 2026

But open-weight models like those released by Chinese companies can be more easily altered and optimized by users for nefarious purposes.

From The Wall Street Journal ● Oct. 15, 2026

Having two altered copies is exceptionally uncommon and can severely disrupt the production of normal fibrillin-1.

From Science Daily ● Oct. 14, 2026

The U.S. release ended up with an altered track listing that highlighted the group’s folkier leanings; Joni Mitchell wore the grooves out on her copy and slipped “Norwegian Wood” into her coffeehouse sets in Detroit.

From Los Angeles Times ● Oct. 6, 2026

White suspected that Hale had ginned up the document while trying to obtain the insurance policy, and altered it after realizing that he had blundered on the date.

From "Killers of the Flower Moon" by David Grann

The warming phase of a natural climate cycle, El Nino events temporarily elevate global temperatures, altering cloud and wind patterns, and raise the risk of damaging weather.

From Barron's ● Oct. 15, 2026

Fintech founders have caught on to how Americans are altering their financial habits, and they’ve created new products to try to meet the moment.

From MarketWatch ● Oct. 13, 2026

But studies show that infrastructure development and tourism are squeezing its habitat, while increasing noise is altering how it communicates with potential mates and rivals.

From BBC ● Oct. 6, 2026

Their system also assigns a “pointer” to sounds—for instance, altering pitch, harmony and texture to signal high or low blood pressure and severity.

From The Wall Street Journal ● Oct. 2, 2026

Hisao was lean and tough and worked methodically, never altering his pace.

From "Snow Falling on Cedars: A Novel" by David Guterson


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