Operoseness is a quality that refers to the state of being arduous, laborious, or difficult. There are several synonyms for this term, including strenuousness, weariness, toil, exertion, and labor. Another way to describe operoseness is by using the words drudgery, hard work, or strain. These words all convey a sense of difficulty or a task that requires a great deal of effort. Other related terms include toilsomeness, sweat, and effortfulness. These synonyms can allow writers to convey the sense that a task requires real effort or hard work, and can help readers to better understand the challenges that come with certain jobs or responsibilities.