obsessive-compulsive
UK[əbˈsesɪv kəmˈpʌlsɪv]US[əbˈsesɪv kəmˈpʌlsɪv]
adj
Relating to or characterized by persistent, unwanted thoughts (obsessions) and repetitive behaviors (compulsions).
n
A person who has obsessive-compulsive disorder or who shows obsessive-compulsive tendencies.
Morpheme Breakdown
obsessive
compulsive
obsessive
sense
compulsive
sense
Etymology
The compound term "obsessive-compulsive" is a modern psychological construct, combining two distinct Latinate concepts. "Obsessive" derives from the notion of a mind besieged by persistent, intrusive thoughts, mirroring a military siege. "Compulsive" originates from the idea of being driven or forced to perform specific actions, often against one's will. In the late 19th and early 20th centuries, psychiatry fused these two concepts to describe a condition where internal mental preoccupations (obsessions) are linked to irresistible behavioral urges (compulsions). The hyphenated form solidifies their conceptual partnership in defining a single psychological pattern.
Analysis
Structure: obsessive (sense) + compulsive (sense)
- obsessive: From Latin obsess- (past participle stem of obsidēre, meaning 'to besiege'), via English 'obsess' + the suffix -ive (forming adjectives). The Latin root implies being beset or haunted by thoughts.
- compulsive: From Latin compuls- (past participle stem of compellere, meaning 'to drive together, force'), via English 'compel' + the suffix -ive (forming adjectives). The Latin root implies being driven or forced to act.
Examples
She has obsessive-compulsive habits, such as checking the door locks ten times before leaving.
His obsessive-compulsive need for symmetry made arranging the books a lengthy process.
The therapist specializes in treating patients with obsessive-compulsive disorder.