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
Examples of alteration in a Sentence
the alteration of the pattern
They did a good job on the dress alteration.
He made alterations in his will.
Recent Examples on the Web
The Italian official said alterations were not detected by eye and only were revealed by examining the seams of the crotch area of the ski suits after the competition.
—
Graham Dunbar, Chicago Tribune, 12 Mar. 2025
Intense alteration on early Mars revealed by high-aluminum rocks at Jezero crater.
—Tommy Tuberville, Newsweek, 6 Mar. 2025
One great thing about Hackman is that there was no alteration in the rounded rasp of his voice when the moral conditions changed.
—Anthony Lane, The New Yorker, 3 Mar. 2025
Perhaps trigeminal nerve fibers are sensitive to alterations in estrogen levels.
—Brigid Dwyer, Verywell Health, 27 Feb. 2025
See All Example Sentences for alteration
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Graham Dunbar, Chicago Tribune, 12 Mar. 2025
Intense alteration on early Mars revealed by high-aluminum rocks at Jezero crater.
—Tommy Tuberville, Newsweek, 6 Mar. 2025
One great thing about Hackman is that there was no alteration in the rounded rasp of his voice when the moral conditions changed.
—Anthony Lane, The New Yorker, 3 Mar. 2025
Perhaps trigeminal nerve fibers are sensitive to alterations in estrogen levels.
—Brigid Dwyer, Verywell Health, 27 Feb. 2025
See All Example Sentences for alteration
Articles Related to alteration
Cite this Entry
“Alteration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alteration. Accessed 17 Mar. 2025.
Copy CitationKids Definition
alteration
noun
al·ter·ation
ˌȯl-tə-ˈrā-shən
1
a
: the act or process of altering
b
: the state of being altered
2
: the result of altering : modification
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