Operosely is an adverb that means to do something with great effort, industry, or diligence. There are several synonyms for operosely that can be used in different contexts. For example, in a professional setting, one could use the word industriously to describe someone who is working hard. Alternatively, one could use the word laboriously to indicate that someone is putting a lot of physical effort into a task. Diligently is another word that could be used to describe someone who is working hard and methodically. Other synonyms for operosely include assiduously, meticulously, and conscientiously. Each of these words captures a different aspect of working hard and making a conscientious effort.