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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  
[awl-ter] / ˈɔl tər /

noun

  1. David, 1807–81, U.S. physicist.


alter. 3 American  

abbreviation

  1. alteration.


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.

The band altered the name to play on their native Dublin accent, where “thin” is pronounced “tin.”

From The Wall Street Journal

A surge in crude oil prices can quickly alter interest rate expectations, bolster the U.S. dollar, pressure stocks, and tighten financial conditions.

From Barron's

But it faces significant hurdles, and it is unclear how much its passage would alter the conflict.

From BBC

"The first is that cluster environments were already harsh enough to strip galaxies, and the second is that galaxy clusters may strongly alter galaxy properties earlier than expected," Roberts said.

From Science Daily

They still alter their plans, routes and lives to feel safe.

From BBC