"Drossier" is a rarely-used adjective that describes something or someone that is more impure or worthless than something else. Some synonyms for "drossier" include "inferior", "debased", "grubbier", "filthier", "corrupt", "unworthy", "meaner", and "vile". These words can be used to describe something that is of a lower quality, such as a drossier metal, or a person who is less moral or honorable than their peers. While "drossier" may not be a common word in everyday conversation, its synonyms can provide a more clear and concise way to express the idea of something being lower in quality or value.