When describing a substance that is slimy, slippery or gooey, the term "mucinous" is commonly used. However, there are several synonyms for this word that could be used interchangeably in different contexts. These include words such as mucus-like, viscid, gelatinous, glutinous, adhesive, tacky, and sticky. Meanwhile, in the medical field, mucinous is often used to describe a type of tumor that produces mucus. Here, some of the synonyms that can be used include gelatiniform, colloid, or myxomatous. The use of synonyms for the words is a useful tool when trying to increase clarity or avoid repetition in writing.