obsess
verb/əbˈsɛs/
Etymology From Latin obsessus, perfect passive participle of obsideō (“sit on or in, remain, besiege”), from ob- (“before”) + sedeō (“to sit”); see sit, session, etc.; compare assess, possess.
1
To be preoccupied with a single topic or emotion.
Passive voice; constructed with "with"; passive voice; constructed with "with"
- Some people are obsessed with sports.
- The [Isaac] Newton that emerges from the [unpublished] manuscripts is far from the popular image of a rational practitioner of cold and pure reason. The architect of modern science was himself not very modern. He was obsessed with alchemy.2014 June 21, “Magician’s brain”, in The Economist, volume 411, number 8892:
1 more example
- Over the past few months, RAIL has frequently condemned the Department for Transport for its growing contempt for rail customers - by obsessing on cost, caring nothing for service, and not having the slightest interest in growth.2023 August 9, Nigel Harris, “Comment: Disinterested and dishonest”, in RAIL, number 989, page 3:
2
To dominate the thoughts of someone.
- Thoughts of her obsess my every waking moment.
3
Colloquial, Construed with over To think or talk obsessively about.
- Stop obsessing over it, will you!