The term "more cupreous" is used to describe the quality of being copper-like or having a reddish-brown sheen. Here are some synonyms for this term: coppery, reddish-brown, rustic, tawny, bronzed, burnished, amber, chestnut, terracotta, and maroon. These terms can be used interchangeably to describe a variety of objects, such as copper pots, autumn leaves, or a person's hair color. When writing, it is important to use different synonyms to add variety and depth to your descriptions. Using synonyms can also help to avoid repetition and keep the reader engaged.