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Synonyms

alter

1 American  
[awl-ter] / ˈɔl tər /

verb (used with object)

  1. to make different in some particular, as size, style, course, or the like; modify.

    to alter a coat; to alter a will; to alter course.

  2. to castrate or spay.


verb (used without object)

  1. to change; become different or modified.

alter. 2 American  

abbreviation

  1. alteration.


Alter 3 American  
[awl-ter] / ˈɔl tər /

noun

  1. David, 1807–81, U.S. physicist.


alter British  
/ ˈɔːltə /

verb

  1. to make or become different in some respect; change

  2. informal (tr) a euphemistic word for castrate spay

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What is another way to say alter?

To alter something is to make it different in some particular way, such as in size, style, or course. How does alter compare to change? Find out on Thesaurus.com.

Related Words

See adjust,

Other Word Forms

  • alterability noun
  • alterable adjective
  • alterably adverb
  • alterer noun
  • half-altered adjective
  • prealter verb (used with object)
  • realter verb
  • unaltering adjective
  • well-altered adjective

Etymology

Origin of alter

First recorded in 1350–1400; Middle English, from Old French alterer, from Late Latin alterāre “to change, worsen,” derivative of Latin alter “other”

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.

In addition to the altered approach to Valentine’s Day, the company is rolling out new products across its namesake, Pink and beauty lines while working to bolster its bra offerings.

From The Wall Street Journal

A significantly altered Royal Birkdale is the venue for this year's Open Championship.

From BBC

These included conditions such as seizures, altered mental status, and hallucination.

From Science Daily

Most types of SMA are caused by an altered gene being passed on to a child by their parents.

From BBC

PdVSA is effectively Venezuela’s alter ego, tied at the hip given that oil remains the lifeblood of the economy.

From Barron's