uninitiated /ʌnɪnˈɪʃi.eɪtɪd/adjective 1noun 1 adjective1 •Not having been initiated; not having the special knowledge of a particular group.His jargon-filled talk was gibberish to uninitiated listeners, but it was clear and concise to practitioners. noun[plural only]1 •People who have not been initiated and thus do not have the special knowledge of a particular group.His jargon-filled talk was gibberish to the uninitiated, but it was clear and concise to practitioners.