Valuable (8)
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'valuable' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for precious that I've seen before include "as good as gold" , "Cherished or of high worth" , "Much loved" , "Of high worth or cost" , "Having great value" .)
'valuable' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for of use that I've seen before include "Nifty" , "practical" , "Having a function" , "Useful" , "Advantageous" .)