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
   - possessed

1. Haunt like a ghost; pursue
   - haunt, ghost 
2. Be preoccupied with something
   "She is obsessing over her weight"

See also: concerned, controlled, obsession, obsessive

Type of: preoccupy, worry

Encyclopedia: Obsess

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• Carcharodon
• Carcharodon carcharias
• carcinogen
• carcinogenesis
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• carcinoid
• carcinoma
• carcinoma in situ
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• carcinosarcoma
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• card-playing