haunted, obsessed, preoccupied, taken up(p)(adj)

having or showing excessive or compulsive concern with something

"became more and more haunted by the stupid riddle"; "was absolutely obsessed with the girl"; "got no help from his wife who was preoccupied with the children"; "he was taken up in worry for the old woman"

obsessed, possessed(p)(adj)

influenced or controlled by a powerful force such as a strong emotion

"by love possessed"

obsessed(Adjective)

Intensely preoccupied with or by a given topic or emotion; driven by a specified obsession.