Unbridled rage is a strong emotion that denotes an uncontrolled and unrestrained wrath. It's a term used when a person is so angry that they lose control of their emotions. Some other synonyms for unbridled rage can include ferocity, fury, wrath, and outrage. These words convey a sense of intense anger and hostility that can be directed at a person, object, or situation. Other synonyms for unbridled rage can include animosity, bitterness, resentment, and rancor. These words often imply that the person experiencing the emotion has been holding onto anger for some time and that it has reached an overwhelming level that they can no longer control.