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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.

These processes gradually break down rock and alter its surface.

From Science Daily • May 5, 2026

Owen thinks the risk is limited, as many farmers locked in fertilizer purchases last fall and are unlikely to alter planting plans significantly.

From Barron's • May 1, 2026

The nation’s second-largest school system, with close to 400,000 students, faces evolving challenges and uncertainties that could alter the direction of the district for years.

From Los Angeles Times • Apr. 30, 2026

Congress cut taxes in 2013, 2017 and 2025, expanded government health coverage and veterans benefits, and did little to alter major spending programs.

From The Wall Street Journal • Apr. 30, 2026

Mom says, “Money doesn’t alter human rights, common equality.”

From "Black Brother, Black Brother" by Jewell Parker Rhodes




Vocabulary lists containing alter