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English definition of “upset”

upset

verb [T]  /ˌʌpˈset/ (present participle upsetting, past tense and past participle upset) us  

upset verb [T] (WORRY)

to make someone worried, unhappy, or angry: The governor’s veto upset a lot of people.

upset verb [T] (CHANGE)

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.

upset verb [T] (FEEL ILL)

to make your stomach feel bad: Too much fried food can upset your stomach.

upset

adjective  /ˌʌpˈset/ us  

upset adjective (WORRIED)

worried, unhappy, or angry: Mom gets really upset if we don’t call and tell her where we are. She was very upset about losing her wallet.

upset adjective (ILL)

(of the stomach) feeling bad: Ginger (= the spicy root of a tropical plant) has been used to calm an upset stomach.
(Definition of upset verb, adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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