al·ter

[awl-ter]

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)

3. To change; become different or modified.

Origin:
1350–1400; Middle English < OldFrench alterer < Late Latin alterāre to change, worsen, derivative of Latin alter

Relatedforms
al·ter·er, noun
half-al·tered, adjective
pre·al·ter, verb (used with object)
re·al·ter, verb
un·al·ter·ing, adjective
well-al·tered, adjective

Can be confused:
altar, alter.

Synonyms
1.See adjust, change.

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