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upset

 
/ˌʌpˈset/ v [T] (present participle upsetting, past tense and past participle upset) (CHANGE)

Definition

to change the usual or expected state or order of something in a way that stops it from happening or working: The airline strike could upset our vacation plans.
(Definition of upset v (CHANGE) from the Cambridge Academic Content Dictionary © Cambridge University Press)

“upset” in other dictionaries

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