The phrase "sweeps off one's feet" refers to a feeling of being completely enamored by someone or something. Its antonyms include terms such as indifferent, unimpressed, and unaffected. These words describe the opposite feelings of being swept off one's feet. Another antonym could be repelled, which expresses a complete aversion to someone or something. Others include unmoved, unresponsive, and apathetic. When someone is swept off their feet, they may experience a rush of emotions, and the opposite of that would be a lack of feeling or dissociation. Overall, the phrase "sweeps off one's feet" represents a powerful emotional response, and its antonyms convey a sense of detachment or aversion.