obsessed

adjective
ob*sessed \ əb-ˈsest \ äb- \
1888
  • preoccupied with or haunted by some idea, interest, etc. : being in a state of obsession —sometimes used in combination

obsess

verb
ob*sess \ əb-ˈses \ äb- \
1531{ds|t|||}
  • to haunt or excessively preoccupy the mind of
  • to engage in obsessive thinking : become obsessed with an idea

self-obsessed

adjective
self-ob*sessed \ ˌself-əb-ˈsest \ -äb- \
1878
  • excessively preoccupied with oneself or with one's own concerns : obsessed with oneself; also : characteristic of one who is self-obsessed
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