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English definition of “upset”

upset

verb [T] (KNOCK)    /ʌpˈset/ (present participle upsetting, past tense and past participle upset)
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 .Pushing and shovingTurning upside down
(Definition of upset verb (KNOCK) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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