Polymath

A polymath (Greek polymathēs, πολυμαθής, meaning "having learned much"), Renaissance man or Homo universalis are common terms to describe a person well educated, or who excels, in a wide variety of subjects or fields. Polymaths also are described as persons with encyclopedic, broad, or varied knowledge or learning. The term is used rarely enough to be included in dictionaries of obscure words.

Dictionary definitions are consistent with informal use, according to which someone very knowledgeable is described as a polymath (when used as a noun) or polymath or polymathic (when used as adjectives), especially if the person's knowledge is not restricted to one subject area.

A polymath may be a person who knows a great deal about several fields of study, a person who has proficiency and competence in multiple fields, or even a person who has excelled in multiple fields.