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90% of the time, speakers of English use just 7,500 words in speech and writing.These words appear in red, and are graded with stars. One-star words are frequent, two-star words are morefrequent, and three-star words are the most frequent.

adjective British English pronunciation: upset /ʌpˈset/
  1. 1
    very sad, worried, or angry about something

    Why are you so upset?

    They felt too upset to talk about the incident.

    upset about/over/by:

    They're all still very upset about losing the case.

    get/become upset:

    It's nothing to get upset about.

    really/terribly/dreadfully upset:

    Poor Bill looked terribly upset.

    upset (that):

    She feels upset that we didn't tell her the truth.

  2. 2
    if your stomach is upset, you have an illness that is affecting your stomach, usually caused by something that you have eaten or drunk

    Phone and tell them you've got an upset stomach.

This is the British English definition of upset. View American English definition of upset