Meaning & Definition
noun
an occurrence in which a situation is overturned or disturbed.
The tournament was full of upsets, with many top seeds eliminated early.
a state of emotional disturbance.
Her sudden upset was evident when she burst into tears.
verb
to cause (someone) to be unhappy, disappointed, or worried.
She was upset by the news of her friend's illness.
to overturn or disturb a situation.
The unexpected twist in the plot upset our predictions for the ending.
adjective
feeling unhappy, disappointed, or worried.
He was upset after his team lost the game.
having been turned over or disturbed.
The upset milk had to be thrown out.
Etymology
Middle English, from up + set, meaning to set up or overturn.
Common Phrases and Expressions
upset the apple cart:
To disrupt a plan or situation.
upset stomach:
A condition where the stomach feels uncomfortable or in pain.
make someone upset:
To cause someone to feel unhappy or distressed.
Slang Meanings
To be really angry or frustrated.
I was so upset with the way they treated me last night.
To be in a bad mood.
After that argument, she was upset for the rest of the day.