The antonyms for the word "most nonresisting" would be those that describe resistance, opposition, or fighting. Some of the opposite words may include resolute, determined, unyielding, obstinate, headstrong, unyielding, confrontational, and belligerent. These adjectives imply a willingness to stand up for oneself and fight against something or someone. They describe a person who refuses to back down or be easily controlled by others. However, it's important to note that being nonresisting doesn't necessarily mean being weak or submissive. It may simply mean choosing to avoid conflict or taking a more peaceful approach to situations.