rogue scholar means: Noun. 1. This person has extensive knowledge that goes beyond the formal educational system. The person with extensive knowledge often draws on multiple sources such as friends, media and casual reading. 2. Person who acquires knowledge from traditional sources such as books and college. However, they study the material in unusual locations such as parking lots or late-night diners. Note: The term “Rhodes Scholar” is an abbreviation of the Rhodes Scholar. “. (in Community Dictionary, added by Fermín Rodríguez)