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English definition of “upset”

upset

adjective
 
 
/ʌpˈset/
A2 unhappy or worried because something unpleasant has happened: They'd had an argument and she was still upset about it. Mike got very upset when I told him the news.Feeling sad and unhappyAnxious and worried
upset stomach/tummy an illness in the stomachDigestive disordersVomiting and feelings of sickness
(Definition of upset adjective from the Cambridge Learners Dictionary © Cambridge University Press)
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