| Date: | 1500-1600 |
| Language: | Latin |
| Origin: | , past participle of obsidere 'to besiege' |
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ob‧sess

1 [transitive usually passive] if something or someone obsesses you, you think or worry about them all the time and you cannot think about anything else - used to show disapproval
Jody's been obsessed with some lifeguard for months.
Jody's been obsessed with some lifeguard for months.2 to think about something or someone much more than is necessary or sensible :
Stop obsessing about your hair. It's fine.
be obsessing about/over something/somebody
informal
Stop obsessing about your hair. It's fine.



