Loathsome is a powerful word used to describe something that is extremely unpleasant or disgusting. However, there are several other synonyms that can be used to convey the same meaning. One of these is the word "abhorrent," which means something that is repugnant and detestable. Another alternative is the word "odious," which describes something that is revolting or hateful. Additionally, the word "repulsive" can be used to describe something that is extremely unattractive or disgusting. Finally, the word "detestable" can also be used to describe something that is intensely disliked or hated. These synonyms provide a wealth of options for writers who want to express their disdain for something in a more nuanced and varied way.