Ignorant and under a misconception (6)

I believe the answer is:

unread

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'ignorant' is the definition.
(thesaurus)

'under a misconception' is the wordplay.
'under a' can be anagrammed to 'UNREAD'.
Though, I'm not sure how the anagram is indicated.

'and' is the link.

Can you help me to learn more?

(Other definitions for unread that I've seen before include "Still to be perused" , "Yet to be studied" , "(Of book) not used" , "not taken in" .)

I've seen this clue in The Globe and Mail and The Guardian.

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