One antonym for the term "swept off feet" could be "rejected," which describes a situation where someone shows disinterest and denies advances made towards them. The opposite of being swept off your feet is to be left feeling unaffected or even repulsed by the romantic gesture. Another antonym could be "unimpressed," which implies that someone might appreciate the attempt at romance, but it failed to have the desired effect. Being uninterested or unmoved by love, a romantic situation or gesture can be classified as the opposite of being swept off the feet. Finally, being "bored" or "tired" could also be considered antonyms since they imply a lack of excitement or energy.