When it comes to describing someone who is superaggressive, there are plenty of synonyms to choose from. One option is the word "combative," which suggests a willingness to fight or argue. Another similar word is "bellicose," which carries a connotation of belligerence or hostility. "Militant" and "belligerent" are also good choices for describing a person who is superaggressive. For a slightly different tone, you might consider using "domineering," which suggests a desire to assert dominance over others. Finally, "assertive" can be a more positive and proactive synonym for superaggressive, as it suggests a person who takes charge and confidently pursues their goals.