Work past master is a term that refers to someone who has mastered a skill or task through hard work and experience. Some synonyms for this term include expert, adept, virtuoso, maestro, professional, proficient, and skilled. These terms all describe someone who has reached a high level of proficiency in their area of expertise, often through years of dedicated practice and effort. Whether it's a musician, athlete, or business executive, a work past master is someone who has put in the time and effort to excel and achieve great success in their chosen field. So, next time you encounter someone who is truly exceptional in their work, you can use any of these synonyms to describe their mastery.