obsessed
adjective
1. having or showing excessive or compulsive concern with something
- was absolutely obsessed with the girl
Similar word(s): concerned, haunted, preoccupied
2. influenced or controlled by a powerful force such as a strong emotion
Similar word(s): controlled, possessed
verb
1. simple past tense and past participle of obsess
2. Influenced or controlled by evil spirits, but less than possessed in that the spirits do not actually reside in the victim.