Dreaming of a bull, symbolizes stubbornness, strong will, strength, and power. It is time to take some action and be more assertive. Alternatively, it indicates rich, prosperous, and  abundant life.  Consider the pun, "being bull-headed". May you need to have a little compromise in a situation.  Bulls are also symbolic of repressed sexual energies, fertility and virility. Dreaming of an untamed, raging bull represents that your passions may be out of control. The bull may also represent a person in your life who is born under the Taurus sign.