What does it mean to dream about bull?
A bull tends to mean force, drive, and stubborn power, often sexual or aggressive energy that can build or charge out of control.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud would read potent, often sexual energy and aggressive force, the drive at full strength.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would see raw instinctual power that must be faced and harnessed, the masculine counterpart to the nurturing cow.
Jungian concept (our summary).Modern
Continuity ties the bull to waking situations of strength, anger, or determination, with a charging bull marking a force out of hand.
Threat-simulation theory (our summary).Mythological
The bull is everywhere a figure of power and fertility, the Cretan Minotaur, the bull of Mithras, the heavenly bull of the zodiac, a strength to be reckoned with.
Rosmerta Publishing editorial synthesis (after Bulfinch; Frazer).