aficionado UK /əˌfɪʃ.(j)əˈnɑː.dəʊ/US /əˌfɪʃ.(j)əˈnɑ.doʊ/ noun2 •A person who likes, knows about, and appreciates a particular interest or activity (originally bullfighting); a fan or devotee.To the "closet" taxonomist and aficionado of nomenclatural exercises, such emphasis may seem an intrusion. — 1992 •(no longer used) An amateur bullfighter. formsaficionadi · aficionadoes · aficionados