The word "un-sexes" doesn't exist in the English language, so there are no true antonyms for it. However, if we were to explore possible meanings of "un-sexes," we could imagine that it may refer to the idea of removing or denying gender identity. In this case, some possible antonyms would be embracing, affirming, validating, or acknowledging gender identity. Alternatively, "un-sexes" could be interpreted as the opposite of sexualizing, objectifying, or fetishizing. Antonyms in this context would include desexualizing, demystifying, or deconstructing. In any case, it's important to note that "un-sexes" isn't a commonly used word and its meaning is up for interpretation.