The term "overpowered" indicates that something or someone is dominant, superior, or excessively strong. The antonyms for this word would suggest a lack of power, weakness, or inferiority. A few antonyms for "overpowered" include powerless, feeble, impotent, weak, helpless, and vulnerable. These words describe a situation where someone or something is unable to resist or fight back against an opposing force. Using antonyms for "overpowered" can be helpful in situations where you want to describe someone who is not dominant or assertive, or to denote a state of being that is not overpowering or overwhelming.