Antonyms for "most all-powerful" include words like weak, powerless, helpless, feeble, and impotent. These words denote a lack of strength, influence or ability to make an impact. Weak refers to an inability to withstand pressure, while powerlessness and helplessness suggest a lack of control or agency. Feeble describes something that is lacking in strength or energy, while impotence refers to a lack of efficacy or potency. These antonyms serve as a contrast to the idea of immense power and influence and offer a counterpoint to the notion of being all-powerful.