obsess
Obsess (verb) means to think about someone or something constantly, to the point where it takes over your mind. Example: “He started to obsess over every tiny detail of the presentation.”
How to use obsess
Learner’s notesIn plain EnglishTo be unable to stop thinking about something.
"Obsess" is usually followed by "over" or "about", not "with" — save "obsessed with" for the adjective form.
Word forms
- Third person singular
- obsesses
- Past tense
- obsessed
Fill the gap
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He started to _____ over every tiny detail of the presentation.
Etymology
From Latin obsessus, "besieged" — from ob- ("towards, against") plus sedere ("to sit"); the same root shows up in "session" and "possess".
Synonyms
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