Is this 'th bst of th bst'? (5)

I believe the answer is:

elite

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'is this 'th bst of th bst'?' is the definition.
The definition suggests a singular noun which matches the answer.

This is all the clue.

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(Other definitions for elite that I've seen before include "type in pool?" , "Aristocracy" , "A privileged or select group" , "one of the letter sizes" , "Group considered to have superior status" .)

I've seen this clue in The Telegraph.

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