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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’s done at the state level, and Congress can legislate to alter the time, place, and manner of elections.

From Slate • Apr. 15, 2026

But those against say large-scale mining could alter the flow of rivers coming from the Andes mountains and threaten water security for millions.

From BBC • Apr. 10, 2026

Researchers from Stockholm University, Nordita, and the University of Tübingen propose looking at how these waves subtly alter the light emitted by atoms.

From Science Daily • Apr. 10, 2026

The Cheng visit is unlikely to substantially alter the substance of Trump’s meeting with Xi, said Ryan Hass, director of the John L. Thornton China Center at the Brookings Institution.

From The Wall Street Journal • Apr. 10, 2026

I said, Fain would I alter the Past and keep Dick Sharpe from our Company.

From "The Astonishing Life of Octavian Nothing, Traitor to the Nation, Volume II: The Kingdom on the Waves" by M.T. Anderson




Vocabulary lists containing alter