When describing something that is wildly enthusiastic or fervent, the phrase "most rabidly" can be used, but there are several synonyms that can be used instead. Some alternatives include "extremely fervently," "passionately," "intensely," "obsessively," or "fanatically." These words highlight the degree of enthusiasm and excitement, and convey a sense of urgency and dedication that is characteristic of rabid behavior. Each synonym has a slightly different connotation, allowing writers and speakers to choose the word that best fits the context and desired tone. By choosing from a variety of synonyms, writers and speakers can add variety and depth to their language.