The term "un-intellectual" often refers to something that lacks intellectual depth or is not concerned with intellectual matters. However, there are a number of antonyms (opposites) that can be used to describe the opposite qualities of intellectualism. One such antonym could be "intellectual", which signifies someone or something that is highly intelligent, well-read, or well-educated. Other antonyms include "erudite" (meaning scholarly), "cerebral" (meaning intellectual or cerebral), "learned" (meaning knowledgeable), or "brainy" (meaning intelligent or intellectual). By using such antonyms, we can better understand the nuanced qualities that are often associated with different levels of intellect and knowledge.