Crossword Genius

No amateur discovered to be intense (8)

Ross

I believe the answer is:

profound

'intense' is the definition.
('profound' can be similar in meaning to 'intense')

'no amateur discovered' is the wordplay.
'no amateur' becomes 'pro'.
'discovered' becomes 'found' (finding is a kind of discovering).
'pro'+'found'='PROFOUND'

'to be' is the link.

(Other definitions for profound that I've seen before include "Intellectually deep" , "anything but superficial" , "unqualified" , "showing great knowledge" , "deeply intellectual" .)

I've seen this clue in The Telegraph.
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