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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.

"This is an evolutionarily-adapted response that helps us in many situations. However, prolonged cortisol release is not a good thing. It can lead to a variety of physiological conditions and alter mental health."

From Science Daily • May 3, 2026

The major employee unions could alter the equation if they jump in on Patel’s behalf.

From Los Angeles Times • May 1, 2026

They contended that through mental exercises, people could alter the shapes of their own brains, cultivating desirable qualities and suppressing undesirable ones.

From The Wall Street Journal • Apr. 29, 2026

The Gulf country said in a statement that it would exit the cartel effective May 1, adding that the decision wouldn’t alter its “commitment to global market stability,” state-run news agency WAM reported.

From Barron's • Apr. 28, 2026

I do not alter my expression, for fear of his not being alone.

From "The Cruel Prince" by Holly Black




Vocabulary lists containing alter