Conan Doylean adjective1 •Resembling or characteristic of British writer and physician Arthur Conan Doyle (1859–1930), who created the character Sherlock Holmes.Connie, at great length and with great patience, explained the difference between Conan Doylean and Shakespearian heroes. — 1935 formsmore Conan Doylean · most Conan Doylean