Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “upset”

upset

noun [C] (ILLNESS)    /ˈʌp.set/ informal
a slight illness of the stomach : Melanie's got a stomach / tummy upset so she won't be going to school today.Disease and illness - general words
(Definition of upset noun (ILLNESS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of upset

Definitions of “upset” in other dictionaries

Word of the Day

cookery

the skill or activity of preparing and cooking food

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More