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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

They help scientists understand how often black holes switch between active and quiet states, how jets change as they age, and how surrounding environments can alter the structure of entire galaxies.

From Science Daily • Apr. 13, 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

Kay said she was also concerned about the presence of adverts on some newer, discounted Kindle devices, and how these might alter the reading experience.

From BBC • Apr. 9, 2026

Taking our powers of rapid cognition seriously means we have to acknowledge the subtle influences that can alter or undermine or bias the products of our unconscious.

From "Blink" by Malcolm Gladwell




Vocabulary lists containing alter