Related Clues:

• Not perused under a misapprehension
• Ill-informed but not entirely ill-prepared
• Not studied, so mostly ill-prepared
• Ignored, not quite like Ethelred?
• Ignored, as spam
• Not book-smart
• As king once was falsely supposed to be, mostly ignorant
• Old illiterate sample in Cajun readership
• Still in the envelope, maybe
• New note in rectangular space, initially unseen, ignored by addressee?
• (Of a book) not used
• Article penned by a foreign Socialist is not perused
• Having not looked at words, not prepared, falling short
• Inbox status
• Like an email that just arrived