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Definitions

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.

Is Verstappen's threat to quit a lever to alter rules?

From BBC • Apr. 3, 2026

“It keeps markets in a constant state of anticipation, as any unexpected deviation, whether toward a deeper slowdown or higher inflation, could significantly alter monetary policy expectations,” he says.

From MarketWatch • Apr. 1, 2026

"The introduction of soft materials that can expand, contract, and alter their shape opens up an entirely new toolbox in the world of optics to manipulate how things look."

From Science Daily • Mar. 31, 2026

The 14th Amendment was intended to constitutionalize, not alter, the Civil Rights Act.

From The Wall Street Journal • Mar. 31, 2026

But suppose I were to alter the rules of speed-dating just slightly.

From "Blink" by Malcolm Gladwell