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 answer and definition are adjectives. Maybe you can see an association between them that I don't see?

I can't explain the rest of the clue.

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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