Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “alteration”

See all translations

alteration

noun uk   /ˌɒl.təˈreɪ.ʃən/ us    /ˌɑːl.t̬ə-/
C1 [C] a change, usually a slight change, in the appearance, character, or structure of something: Several police officers are being questioned about the alteration of the documents. The house needed extensive alterations when we moved in. Some alterations to our original plans might be necessary. [C or U] a change or changes made to the size or shape of a piece of clothing so that it fits better: She's getting some alterations done to her dress.C1 [U] the process of changing something: The landscape has undergone considerable alteration.
More examples
(Definition of alteration from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of alteration?
Add Cambridge dictionaries to your browser to your website

Definitions of “alteration” in other dictionaries

Word of the Day

advent calendar

a decorative piece of card, often hung on the wall, that has a small opening with a door for each of the days of the month before Christmas. Children open one of these doors each day, finding a picture under it.

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

tweleb noun

December 22, 2014
informal a Twitter celebrity; (more specifically, someone who has more than 1,000 followers on Twitter) There were a few old and a few new faces, including a tweleb or two. Expect to see and hear more from these cool kids.

Read More