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Definitions
Trivia Time
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:

Sometimes there are late shifts that can alter the dynamics of a race.

From BBC ● Nov. 2, 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

For Rispoli, his alter ego was a major complication in his professional career.

From Los Angeles Times ● Oct. 27, 2026

Radiation might knock out a piece of the cell’s DNA, change the structure of the cell wall, or alter the thickness of the fluid in the cell.

From "Meltdown" by Deirdre Langeland

In that scene, Rhys Harries impressively alters his own features without makeup.

From Los Angeles Times ● Oct. 23, 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

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

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

From Salon ● Sep. 5, 2026

“But surely it alters them very much, living like that?” asked Dandelion.

From "Watership Down: A Novel" by Richard Adams

Together, they have fundamentally altered the region’s security dynamics, sharply increasing demands on the U.S. and its allies that must track these Chinese movements and be ready to respond.

From The Wall Street Journal ● Nov. 2, 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

Removing MTCH2 altered that control system, allowing mitochondria to increase fatty acid utilization and energy expenditure.

From Science Daily ● Oct. 24, 2026

The company has been panned by some academics and scientists, who doubt Colossal’s claims of scientific breakthroughs and warn that introducing heavily genetically altered creatures can cause dangerous ecological disruption.

From The Wall Street Journal ● Oct. 23, 2026

What would they become, and are these altered chords also likely to be used in the minor key?

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones

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

In the nine days since riots erupted in cities across France, thousands of merchants have also boarded up their storefronts, radically altering the Paris streetscape.

From Los Angeles Times ● Oct. 28, 2026

Our reporters visually track how carriers are altering the world’s busiest flight paths to navigate around conflicts.

From The Wall Street Journal ● Oct. 23, 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

“Don’t look—” she said, not altering her pace.

From "The Amber Spyglass" by Philip Pullman


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