Fine clues sold for a pound (9)

I believe the answer is:

cloudless

'fine' is the definition.
(thesaurus)

'clues sold for a pound' is the wordplay.
'for a pound' indicates an anagram (letters pounded into a new form).
'clues'+'sold'='cluessold'
'cluessold' with letters rearranged gives 'CLOUDLESS'.

(Another definition for cloudless that I've seen is " (Of sky) clear".)

I've seen this clue in The Guardian.

Want a hint initially instead of a full solution? Install my app