obsession
ob·ses·sion
noun
1.
an irrational motive for performing trivial or repetitive actions against your will
2.
an unhealthy and compulsive preoccupation with something or someone
Origin
From Latin obsessio (“a besieging”), from obsidere (“to besiege”); see obsess. Equivalent to obsess + -ion.
Phrases
- celebrity obsession disorder
Related words
Broader terms
Narrower terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.