Upset dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — myjellybean

To dream that you are upset, suggests that you need to learn from your disappointments and make yourself happy. Try not to dwell on the negative.
Source: My Dream Interpretation Author: myjellybean

Interpretation 2 — Margaret Hamilton

Revealed to avert and bring peace
Source: Dream Dictionary Unlimited Author: Margaret Hamilton