Operosity refers to the quality of being diligent, hardworking, and industrious. It is a positive trait that is admired in many societies. There are several synonyms or similar words that can be used to describe operosity, including diligence, industriousness, assiduousness, conscientiousness, perseverance, and tenacity. These words all refer to the quality of working carefully and tirelessly towards a goal. Other synonyms for operosity may include hard work, toil, effort, consistency, and determination. Regardless of which word is chosen, they all convey the same idea of working hard, persevering through challenges, and achieving success through sheer determination.