When you think of someone who is "all powerful," you might imagine someone who has complete control over everything, someone who can do anything they want at any time. There are many synonyms for this term that can be used to describe this kind of person. Words like omnipotent, almighty, invincible, all-knowing, and all-seeing are all great synonyms for the idea of being all powerful. Other synonyms include master, supreme, divine, and sovereign. All of these words describe someone who has the ability to rule over everything with ease and confidence and who can, essentially, do whatever they want to do. Whether you're talking about a god, a king, or a powerful business leader, these synonyms all describe someone who holds all the power and authority.