The term "more boffo" refers to something that is highly successful or impressive. However, there are several antonyms for this word that describe the opposite feeling or result. These include terms such as dull, unimpressive, lackluster, mediocre, and disappointing. If something is not boffo, it may be seen as average, ordinary, or even boring. It is important to understand these antonyms so that we can better articulate our thoughts and feelings about an experience or event. By being aware of the opposite of "more boffo," we can more accurately express our opinions and feelings about the world around us.