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Adjective: obsessed  ub'sest
  1. Having or showing excessive or compulsive concern with something
    "was absolutely obsessed with the girl";
    - haunted, preoccupied, taken up
  2. Influenced or controlled by a powerful force such as a strong emotion
    "by love obsessed";
    - possessed
Verb: obsess  ub-ses
  1. Haunt like a ghost; pursue
    "Fear of illness obsesses her";
    - haunt, ghost
  2. Be preoccupied with something
    "She is obsessing over her weight"

See also: concerned, controlled

Type of: preoccupy, sweat [N. Amer, informal], worry

Encyclopedia: Obsessed