Definition of obsession
1 : a persistent disturbing preoccupation with an often unreasonable idea or feeling; broadly : compelling motivation <an obsession with profits>
2 : something that causes an obsession
obsessionalplay \-ˈsesh-nəl, -ˈse-shə-nəl\ adjective
Examples of obsession in a sentence
He was fascinated by the actress and tracking her every move had become an obsession.
She has an obsession about cleanliness.
Her concern about cleanliness approaches the level of obsession.
Money has become an obsession for him.
First Known Use of obsession
OBSESSION Defined for English Language Learners
Definition of obsession for English Language Learners
: 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
OBSESSION Defined for Kids
Definition of obsession for Students
: a persistent abnormally strong interest in or concern about someone or something
Seen and Heard
What made you want to look up obsession? Please tell us where you read or heard it (including the quote, if possible).