Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

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"

Derived forms: obsessed, obsesses, obsessing

Type of: preoccupy, sweat, worry

Encyclopedia: Obsess