Crossword Genius

No salt? Disgusting! (9)

Ross

I believe the answer is:

unsavoury

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This clue might be a double definition.

'no salt?' is the first definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

'disgusting' is the second definition.

Can you help me to learn more?

(Other definitions for unsavoury that I've seen before include "Nasty - tasteless" , "offensive" , "revolting?" , "Distasteful" , "Disreputable" .)

I've seen this clue in The Independent.
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