Goof

I think it could be either:

Which length description are you looking for?:

slip

'goof' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for slip that I've seen before include "Gaffe" , "release > voucher" , "Fail < to engage gear" , "Mistake (of tongue or pen)" , "Slight error" .)

I've seen this clue in the LA Times and The New York Times.

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