Fairly inexperienced solver, no good, is hopeless to begin with (8)

I believe the answer is:

youngish

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'fairly inexperienced' is the definition.
I can't judge whether this definition defines the answer.

'solver no good is hopeless to begin with' is the wordplay.
'solver' becomes 'you' (the person solving the crossword).
'no good' becomes 'ng' (abbreviation).
'to begin with' suggests taking the first letters.
The first letter of 'hopeless' is 'h'.
'you'+'ng'+'is'+'h'='YOUNGISH'

Can you help me to learn more?

(Other definitions for youngish that I've seen before include "Rather immature" , "Fairly youthful" , "Not very old" .)

I've seen this clue in The Independent.

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