The phrase "on the fence" can be described in various ways using synonyms. Some synonyms for the term "on the fence" include "undecided," "wavering," "uncertain," "indecisive," and "ambivalent." Another possibility is "neutral," which implies that there is no strong leaning in either direction. People who are "on the fence" might feel cautious, hesitant, or apprehensive about committing to a particular stance or position. It's possible that they are weighing the pros and cons and trying to make an informed decision. Ultimately, when someone is "on the fence," it typically means that they haven't quite made up their mind yet.