noun
- a person or thing that obsesses; one who is preoccupied with or excessively focused on something
Usage: rare or literary; often used in psychological or philosophical contexts
Examples
- The obsessor of ancient history spent every evening researching forgotten civilizations.
- She became an obsessor with perfecting her craft, practicing for hours each day.
- His obsessor nature made it difficult for him to move on from past failures.