upset - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “upset”

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upset

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

upset verb [T] (WORRY)

B2 to make someone worried, unhappy, or angry: It still upsets him when he thinks about the accident. Don't upset yourself by thinking about what might have been.
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upset verb [T] (CHANGE)

to change the usual or expected state or order of something, especially in a way that stops it from happening or working: Any mechanical problems would upset our plans of driving across the desert.

upset verb [T] (KNOCK)

to push or knock something out of its usual position, usually by accident, especially causing it to fall: Our dog upset the picnic table, spilling food everywhere.

upset verb [T] (MAKE SICK)

to make someone feel slightly sick: He can't eat grapes - they upset him/his stomach.

upset

adjective uk   us   /ʌpˈset/

upset adjective (WORRIED)

A2 [after verb] worried, unhappy, or angry: Don't get upset about the dress - there's only a little stain on it. [+ to infinitive] She was very upset to hear that the holiday had been cancelled. [+ that] He was very upset that you didn't reply to his letters.
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upset adjective (ILL)

B2 informal If you have an upset stomach you feel slightly ill, especially because of something you have eaten or drunk: I've got an upset stomach/tummy - serves me right for eating so much.

upset

noun uk   us   /ˈʌp.set/

upset noun (CHANGE)

[U] confusion and problems: How much upset will the new monitoring procedures cause? [C] an occasion when someone beats the team or player that was expected to win: It would be quite an upset if the favourite didn't win.

upset noun (ILLNESS)

[C] informal a slight illness of the stomach: Melanie's got a stomach/tummy upset so she won't be going to school today.
(Definition of upset from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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