noun ob·ses·sion \äb-ˈse-shən, əb-\

: a state in which someone thinks about someone or something constantly or frequently especially in a way that is not normal

: someone or something that a person thinks about constantly or frequently

: an activity that someone is very interested in or spends a lot of time doing

Full Definition of OBSESSION

:  a persistent disturbing preoccupation with an often unreasonable idea or feeling; broadly :  compelling motivation <an obsession with profits>
:  something that causes an obsession
ob·ses·sion·al \-ˈsesh-nəl, -ˈse-shə-nəl\ adjective
ob·ses·sion·al·ly adverb

Examples of OBSESSION

  1. He was fascinated by the actress and tracking her every move had become an obsession.
  2. She has an obsession about cleanliness.
  3. Her concern about cleanliness approaches the level of obsession.
  4. Money has become an obsession for him.

First Known Use of OBSESSION


Other Psychology Terms

fetish, hypochondria, intelligence, mania, narcissism, neurosis, pathological, psychosis, schadenfreude, subliminal
OBSESSIONAL Defined for Kids


noun ob·ses·sion \əb-ˈse-shən\

Definition of OBSESSION for Kids

:  a persistent abnormally strong interest in or concern about someone or something
Medical Dictionary


noun ob·ses·sion \äb-ˈsesh-ən, əb-\

Medical Definition of OBSESSION

:  a persistent disturbing preoccupation with an often unreasonable idea or feeling; also :  something that causes such preoccupation—compare compulsion, phobia
ob·ses·sion·al \-ˈsesh-nəl, -ən-əl\ adjective


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