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Gussalufz, after drinking a bit of scotch, somehow felt alone (6)

Ross

I believe the answer is:

itself

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(Other definitions for itself that I've seen before include "alone by this" , "The thing in question" , "Pronoun used to reflect the object or for emphasis" , "that's the thing" , "The thing, I stress" .)

I've seen this clue in The Hindu.
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