This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Not knowledgeable or skilled; inexperienced.

n. An uninformed, unskilled, or inexperienced person or group of people. Often used with the: "What's the difference, the uninitiated may ask, between eggshell white and wedding gown white?” ( Wall Street Journal).

adj. Not having been initiated.

adj. Of a person, not having the special knowledge of a particular group.

adj. not initiated; deficient in relevant experience

"Twitter, for the uninitiated, is like being given an invitation to one of the ‘popular peoples parties’, you arriving alone and unsure and then wandering about desperate to fit in and not look like a loser."

inexperient    inexperienced   

initiated   

uninformed    unbiassed    stupefied    sharp-eyed    unwary