[ awl-ter ]
/ ˈɔl tər /
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.
Content related to alter
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Words nearby alter
Origin of alter
1350–1400; Middle English < Old French alterer < Late Latin alterāre to change, worsen, derivative of Latin alter other
OTHER WORDS FROM alter
al·ter·er, nounhalf-al·tered, adjectivepre·al·ter, verb (used with object)re·al·ter, verb
un·al·ter·ing, adjectivewell-al·tered, adjective
WORDS THAT MAY BE CONFUSED WITH alteraltar alter
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for alterer
/ (ˈɔːltə) /
Derived forms of alteralterable, adjectivealterably, adverbalterability, noun
Word Origin for alter
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