Cagey (7)

I think it could be either:

Which length description are you looking for?:

wily

'cagey' is the definition.
(thesaurus)

This is all the clue.

(Other definitions for wily that I've seen before include "Fly" , "Skilled at gaining an advantage by deceit" , "'Crafty, cunning (4)'" , "Shrewd" , "Deceptively clever" .)

I've seen this clue in the LA Times and The Wall Street Journal.

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