The meaning of ALTER is to make different without changing into something else. How to use alter in a sentence. Synonym Discussion of Alter.

ALTER definition: 1. to change something, usually slightly, or to cause the characteristics of something to change…. Learn more.

Apr 2, 2026 · to change (something); to make a change to (a piece of clothing) so that it will fit better; to remove the sex organs of (an animal) so that the animal is unable to reproduce… See the full definition

ALTER definition: to make different in some particular, as size, style, course, or the like; modify. See examples of alter used in a sentence.

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What does alter mean? To change something, especially in a fairly small or specific way. Pronunciation, examples, synonyms, etymology and translations.

ALTER meaning: 1. to change something, usually slightly, or to cause the characteristics of something to change…. Learn more.

After eating too many gingerbread cookies, she no longer fit into her uniform, so she had a seamstress alter it. It looked pretty much the same.

Define alter. alter synonyms, alter pronunciation, alter translation, English dictionary definition of alter. change: alter a will; adjust: She’ll need to alter her wedding gown to make it fit. Not to be confused …

Definition of alter verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.