A pentathlete is an athlete who participates in a challenging five-event sport, including fencing, swimming, horse riding, running and shooting. There are several synonyms for the word 'pentathlete,' which include modern pentathlon, multi-discipline athlete, multi-event athlete, versatile athlete, and five-event athlete. A modern pentathlon is a competitive sport that tests the strength, agility, and endurance of the athlete, and athletes who participate in this sport are often praised for their versatility and skill level. Whether you call it pentathlon or modern pentathlon, the determination and discipline required to excel in this sport are unmatched, making it an impressive feat for athletes who choose to pursue it.