verb ob·sess \əb-ˈses, äb-\

: to be the only person or thing that someone thinks or talks about

: to think and talk about someone or something too much

Full Definition of OBSESS

transitive verb
:  to haunt or excessively preoccupy the mind of <was obsessed with the idea>
intransitive verb
:  to engage in obsessive thinking :  become obsessed with an idea

Origin of OBSESS

Latin obsessus, past participle of obsidēre to frequent, besiege, from ob- against + sedēre to sit — more at ob-, sit
First Known Use: 1531
OBSESS Defined for Kids


verb ob·sess \əb-ˈses\

Definition of OBSESS for Kids

:  to occupy the thoughts of completely or abnormally <A new scheme obsesses him.>
Medical Dictionary


transitive verb ob·sess \əb-ˈses, äb-\

Medical Definition of OBSESS

:  to preoccupy intensely or abnormally <was obsessed with success>
intransitive verb
:  to engage in obsessive thinking <solve problems rather than obsess about them—Carol Tavris>


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