Antonyms for the phrase "sets eyes on" can vary depending on the context. When referring to seeing or noticing something, antonyms could include ignoring, disregarding or overlooking. In the context of admiring, antonyms for "sets eyes on" could be displeased, uninterested or repulsed. If the phrase is used in reference to finding or locating something, antonyms could include losing, misplacing or being unable to locate. In the case of romantic interest or attraction, antonyms could include indifference, aversion, or disinterest. Synonyms and antonyms serve as valuable language tools that can help to make communication more precise and effective.