The term "most all-powerful" refers to the highest degree of power or authority. In terms of antonyms, there are several words that convey the opposite meaning, such as feeble, weak, powerless, impotent, and vulnerable. These words signify a lack of strength or ability to exert control over situations or individuals. Another antonym for most all-powerful is subordinate, referring to someone who is subordinate or lower in authority. Similarly, powerless or impotent can also refer to an individual or group that lacks control or influence. In contrast to most all-powerful, these words suggest a sense of vulnerability or dependency on others.