Snoozier, which means dull or tedious, can have several antonyms based on context. If we consider the opposite in the sense of being lively or exciting, then antonyms could be thrilling, exhilarating, vibrant, or exhilarating. Conversely, if we consider the opposite in terms of being active or productive, then antonyms could be busy, dynamic, busy or energetic. It's important to note that antonyms depend on the context of usage and the tone with which they are delivered. In any case, selecting the right antonym to complement the word "snoozier" can help bring clarity to your writing, aiding readers to better understand the message being conveyed.