obsession.
The quality of being obsessed; an unshakeable feeling that one topic or activity must be pursued above other interests.
Meaning & usage
The quality of being obsessed; an unshakeable feeling that one topic or activity must be pursued above other interests.
My obsession with rugby resulted in me spending years following the sport.
An idea that engenders a compulsive or irrational preoccupation, or the preoccupation thereby engendered.
The downfall of the chairman is an obsession that consumes Laura's time.
An activity or entity that inspires a compulsive and potentially unhealthy fixation, or the fixation thereby inspired.
Editing Wikipedia started as a hobby, but it's turned into a complete obsession of mine.
His current obsession is getting that law passed.
Influence or control by evil spirits without possession.
Where this word comes from
From Latin obsessio (“a besieging”), from obsidere (“to besiege”); see obsess. Equivalent to obsess + -ion.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.