Visceral is an adjective used to describe something that is related to the INTERNAL organs of the body, particularly the organs of the digestive system. The term can also be used to describe something that is intense or INTIMATE. The crossword solutions for the term VISCEROUS are GUT (3 letters), INTIMATE (8 letters), and INTERNAL (8 letters). GUT refers to the digestive system, INTIMATE implies a close relationship, and INTERNAL relates to the inner workings of something.