obsessed
1. [ adjective ] having or showing excessive or compulsive concern with something
Synonyms: preoccupied taken_up haunted
Examples:

"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"

Related terms: concerned
2. [ adjective ] influenced or controlled by a powerful force such as a strong emotion
Synonyms: possessed
Examples:

"by love possessed"

Related terms: controlled
Similar spelling:   obsess
  obsessive
  obsession
  obsessivity
  obsessively
  obsessional