Finding it impossible to become famous (7)

I believe the answer is:

notable

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'famous' is the definition.
(synonyms)

I don't understand the remainder of the clue.

(Other definitions for notable that I've seen before include "Striking" , "VIP" , "Remarkable, worthy of comment" , "Worthy of record" , "Great" .)

I've seen this clue in the Evening Standard.

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