Prove superior (7)

I think it could be either:

prevail

triumph

'prove superior' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for prevail that I've seen before include "Carry the day" , "Prove more powerful" , "Gain mastery" , "Triumph, overcome" , "Be widespread; prove superior" .)

I've seen this clue in The Telegraph, The Independent, The Guardian and The Times.

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