Upset vs Angry
Upset is different in meaning from angry. If you look through their meanings in the dictionary, you will find that
Angry contains the strong feelings of hostility and displeasure.
Upset contains the emotions of disappointment, worry, unhappiness, sadness.
Upset is a more light feeling that we often feel in our daily interaction with people. Whilst anger is something more bubbling inside us and sometimes explode when we can’t contain it. So angry is not an emotion we often experience.