Adversatively is an adverb that is used to describe something that is in opposition or contrast to another idea. Some synonyms for adversatively include contrastingly, however, nevertheless, on the other hand, conversely, in opposition to, and counter to. These synonyms can be used in various contexts to convey the idea of an opposing factor. Whether it's in a debate, an argument, or simply expressing a different viewpoint, these words can help add variety and depth to your writing or speaking. By using these synonyms, you can create a more nuanced and interesting description of a situation where there may be differing or opposing perspectives.