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alter

[ awl-ter ]
/ ˈɔl tər /
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verb (used with object)

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.
to castrate or spay.

verb (used without object)

to change; become different or modified.

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Origin of alter

1350–1400; Middle English <Old French alterer<Late Latin alterāre to change, worsen, derivative of Latin alter other
1. See adjust,
altar, alter

Definition for alter (2 of 3)

Alter
[ awl-ter ]
/ ˈɔl tər /

noun

David, 1807–81, U.S. physicist.

Definition for alter (3 of 3)

alter.

abbreviation

alteration.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for alter

alter
/ (ˈɔːltə) /

verb

to make or become different in some respect; change
(tr) informal, mainly US a euphemistic word for castrate, spay
alterable, adjectivealterably, adverbalterability, noun
C14: from Old French alterer, from Medieval Latin alterāre to change, from Latin alter other
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
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