Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “upset”

upset

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

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.

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   /ʌpˈset/ us  

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.

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   /ˈʌp.set/ us  

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)
What is the pronunciation of upset?
Add Cambridge dictionaries to your browser to your website

Definitions of “upset” in other dictionaries

Word of the Day

monster

any imaginary frightening creature, especially one that is large and strange

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More