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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.

The court had ruled in favor of the attorneys’ clients, halting the deportation of three family members from India, according to the San Francisco Chronicle, and the disciplinary ruling did not alter that November decision.

From Los Angeles Times • Jun. 4, 2026

Companies change guardrails, alter models and reshape AI personalities overnight.

From The Wall Street Journal • Jun. 4, 2026

"This result does not alter the tasks we face at the United Nations. Germany remains a reliable pillar of the multilateral system," he said.

From BBC • Jun. 4, 2026

"Cooling rate and time at elevated temperature can alter chemical speciation and particle formation."

From Science Daily • Jun. 3, 2026

The difficulty comes in trying to separate my eyes from my eyebrows, which alter my face much the way that varying punctuation marks can change the meaning of a sentence.

From "Me Talk Pretty One Day" by David Sedaris




Vocabulary lists containing alter


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