Scream dream meaning is explained below using 4 different sources. Each interpretation is shown with its source.

Interpretation 1 — Martha Clarke

Screams you hear or emit during a dream indicate danger. Usually, they refer to the close presence of any threats or anything that would compromise your security (either physical or emotional). In general, when you scream you release a strong inner tension. This dream may be a warning that you are in an extreme situation because of pressures of any kind.
Source: The Big Dictionary of Dreams Author: Martha Clarke

Interpretation 2 — Klaus Vollmar

Warning dream. Desperation, but also experiencing and waking, as opposed to the image of Sleep.
Source: Little Giant Encyclopedia Author: Klaus Vollmar

Interpretation 3 — Internet Archive - Anonymous

It is considered a fortunate sign to find yourself screaming in a dream.
Source: Mystic Dream Book Author: Internet Archive - Anonymous

Interpretation 4 — Margaret Hamilton

Implies a traumatic experience has not been resolved
Source: Dream Dictionary Unlimited Author: Margaret Hamilton