Yet fail with quiz question? (4)

I believe the answer is:

pass

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'yet fail' is the definition.
'pass' can be an answer for 'fail' (thesaurus). I'm not certain of the 'yet' bit.

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for pass that I've seen before include "Search me" , "Exceed; mountain route" , "good performance by exam candidate" , "At Wembley, no shot" , "degree?" .)

I've seen this clue in The Times.

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