The word "most quadrivial" can be paraphrased in various ways to express the same meaning. The term can be defined as something that is trivial or common in a particular field or context. If you want to convey the same message differently, you can try using synonyms like "mundane," "ordinary," "unremarkable," "insignificant," or "banal." Other options include "pedestrian," "routine," "average," "expected," or "typical." By using different words that have the same meaning, you can create variety and depth in your writing and avoid repetition. So, next time you are struggling to use the same word repeatedly, try using synonyms to spice up your writing.