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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.

“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

In some regards this narrator, a husband and father, is Mr. Lerner’s most mature alter ego, but he often seems like the same schlemiel as the feckless grad student in “Leaving the Atocha Station.”

From The Wall Street Journal • Mar. 31, 2026

A nonprofit exists to preserve them, but tour guide Teri Rommelmann said preservation efforts aren’t meant to alter the course of nature and time, but rather to save the work from sinking into the sand.

From Los Angeles Times • Mar. 31, 2026

The report also identified "multiple potentially significant" mutations that may alter the bacterium's behaviour.

From BBC • Mar. 27, 2026

Laney—the youngest Vanderbeeker—had transformed into her alter ego, Panda-Laney.

From "The Vanderbeekers of 141st Street" by Karina Yan Glaser