Procrastinating, which is disgusting

I think it could be either:

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3-7

10*

offputting

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

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for offputting that I've seen before include "Disconcerting" , "Disappointing" .)

I've seen this clue in the Evening Standard.

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