Be a pugilist is a term used to describe someone who is a professional BOXER. It is a job that requires physical strength, endurance, and skill. The term comes from the Latin word pugil, which means 'BOXER'. To be a successful pugilist, one must have the ability to defend themselves against opponents in the ring, as well as the mental fortitude to stay focused and disciplined. The crossword solution for this term is BOX, which is an appropriate description of the sport.