Crossword Genius

In the Hebrides, it's intoxicating! (3)

Ross

I believe the answer is:

rum

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'in' is the definition.
Both the answer and definition are adjectives. Perhaps you can see an association between them that I don't see?

I don't understand the remainder of the clue.

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(Other definitions for rum that I've seen before include "Unusual" , "Weird" , "Curious, strange" , "Odd kind of drink for sailor" , "Funny" .)

I've seen this clue in the Evening Standard.
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