Crossword Genius

Capable of being polished off and put away! (6)

Ross

I believe the answer is:

edible

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'away' is the definition.
Both the definition and answer are adjectives. Maybe there's an association between them I don't understand?

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for edible that I've seen before include "Fit to be used as food" , "Fit to be eaten" , "OK for eating" , "Fit to eat" , "Digestible" .)

I've seen this clue in The Hindu.
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