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English definition of “alter”

alter

verb (CHANGE)    /ˈɒl.tər/ US  /ˈɑːl.t̬ɚ/
B2 [I or T] to change something, usually slightly, or to cause the characteristics of something to change: We've had to alter some of our plans. Although the cost of making phone calls is going up, the charge for connecting to the internet will not alter. Giving up our car has radically altered our lifestyle.ChangingAdapting and modifying Adapting and attuning to somethingChanging frequently [T] to change the size of clothes so that they fit better: I took the coat back to the shop to have it altered.ChangingAdapting and modifying Adapting and attuning to somethingChanging frequently
(Definition of alter verb (CHANGE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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