The term "most pronged" implies something that has multiple tines or branches. Its antonyms, therefore, would be words that suggest a lack of complexity, simplicity. Some antonyms for "most pronged" could include "unifurcated," meaning having a singular branch, "smooth," meaning lacking any protrusions or bumps, or "simple," indicating something that lacks complexity or intricacy. Other potential antonyms might include "unbranched," "straightforward," or "uncomplicated." Choosing the appropriate antonym for "most pronged" would depend on the context in which the word is being used and the desired effect one wants to achieve with their writing or speech.