Sherlockian adjective 1noun 1forms 3 adjective1 •Of or pertaining to Sherlock Holmes or his investigations, methods, or sayings. noun1 •A Sherlock Holmes scholar or fan; one who studies and/or appreciates the works of Sir Arthur Conan Doyle.William S. Baring-Gould was one of our most knowledgeable Sherlockians and a scholarly, prolific writer. — 1967 formsSherlockians · more Sherlockian · most Sherlockian