alteration
noun
al·ter·a·tion
ˌȯl-tə-ˈrā-shən
plural alterations
1
: the act or process of altering something
The dress needs alteration for a proper fit.
: the state of being altered
2
: the result of changing or altering something: such as
a
: a change made in fitting a garment
no charge for alterations
b
: a change in a legal instrument that alters its legal effect
She made some alterations to her will.
c
: a mineral that has been altered by a chemical process : metasomatism
Cite this Entry
“Alteration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alteration. Accessed 4 Sep. 2026.
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