Crossword Genius

Mystery (6)

Ross

There are a few possibilities for this:

'mystery' is the definition.
(thesaurus)

This is all the clue.

(Other definitions for puzzle that I've seen before include "Crossword maybe" , "Ingenious problem" , "A game to test ingenuity" , "See 10" , "See 1" .)

I've seen this clue in the USA Today, the Penny Press, the Universal, The Guardian, the LA Times, The Star Tribune, The Telegraph, The Mirror, the Evening Standard, The Independent and The Times.
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