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uninitiated

British  
/ ˌʌnɪˈnɪʃɪeɪtɪd /

adjective

    1. not having gained knowledge or experience of a particular subject or activity

    2. ( as collective noun ; preceded by the )

      the uninitiated

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012