The word "resolute" is often used to describe someone who is determined, resolute, or unwavering in the face of opposition. Its antonyms, on the other hand, express the opposite sentiments. Words like indecisive, vacillating, or unsure indicate a lack of firmness or steadfastness. Similarly, words like weak-minded or fragile imply a vulnerability or susceptibility to manipulation. Other antonyms include meek, submissive, or malleable, all of which connote a lack of strength or conviction. In short, the antonyms for "resolute" describe individuals who are more easily swayed, less dependable, or less capable of standing up for themselves.