The phrase "synonyms well rounded" seems to be a slightly erroneous construction. It appears to intend the concept of "well-rounded," which refers to a person or entity that has a variety of skills, attributes, or experiences, showing competence or proficiency across a broad range of areas. It suggests that someone is not limited to a single skill or quality but possesses a balanced mix of abilities that contribute to their overall versatility and adaptability.
The term "well-rounded" originated in the early 19th century, derived from the combination of "well," meaning thoroughly or completely, and "rounded," which comes from the Old French "rond" signifying something circular and complete. The overall phrase thus conveys a sense of completeness in various aspects.