Finding antonyms for the word "most bad-smelling" may seem daunting at first, but there are plenty of options available. First and foremost, there is the possibility of using positive adjectives to describe something that smells good. For instance, you could use words like "pleasant," "fragrant," or "aromatic" to describe a sweet-smelling perfume or flower. Alternatively, you could use words like "neutral," "inoffensive," or "harmless" to describe something that does not have a strong odor. Ultimately, there are many ways to describe something that is not "most bad-smelling," so it's important to consider the context and purpose of your writing before selecting the appropriate antonym.