Compulsively preoccupied with something (8)

I believe the answer is:

obsessed

(Other definitions for obsessed that I've seen before include "With compulsion" , "Showing excessive or compulsive concern with something" , "Excessively preoccupied" , "Persistently preoccupied" , "Being excessively concerned with something" .)

I've seen this clue in The Irish Times.

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