The antonym for the word "more allpowerful" can include words such as powerless, weak, feeble, ineffectual, vulnerable, and impotent. These antonyms signify weakness or lack of control over a situation or circumstance. The opposite of all-powerful means an individual or group that is not dominant, lacks the capacity to influence or control the outcome of events, and cannot easily overpower others. While an all-powerful being has the power to do anything, the antonyms suggest a position of lesser power, where influence is limited, and outcomes are subject to the control of others.