This crossword is strangely obscure (7)

I believe the answer is:

cryptic

I believe this is a double definition.

'this crossword' is the first definition.
(cryptic is a type of crossword)

'strangely obscure' is the second definition.

'is' acts as a link.

(Other definitions for cryptic that I've seen before include "(Of crossword) withindirect clues" , "Mysterious, obscure" , "Mysteriously obscure" , "Like our other puzzle" , "Enigmatic" .)

I've seen this clue in The Guardian.

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