Some olives are wasted (6)

I believe the answer is:

stoned

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'some olives are' is the definition.
(I know that olive can be stoned)

I can't explain the remainder of the clue.

(Other definitions for stoned that I've seen before include "Plastered" , "with jewels" , "on a trip" , "High on drugs or alcohol" , "Stephen thus martyred" .)

I've seen this clue in The Guardian.

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