When considering synonyms for the phrase "most discussed," some valid options might include "highly debated," "widely analyzed," or "intensely scrutinized." Other alternatives could include "heavily deliberated," "hotly contested," or "vigorously debated." In the context of current events or news stories, one might also consider terms like "trending," "buzzworthy," or "viral." Ultimately, the choice of synonym will depend on the specific situation and the tone or emphasis of the language being employed. By exploring different options, however, writers and speakers can find the phrasing that best conveys their intended meaning.