uninitiated
/ʌnɪnˈɪʃi.eɪtɪd/ adjective C2- 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.
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So startling would his results appear to the uninitiated that until they learned the processes by which he had arrived at them they might well consider him as a necromancer.
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