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Definition of Obsessive-compulsive disorder
1. Noun. An anxiety disorder characterized by recurrent and persistent thoughts and feelings and repetitive, ritualized behaviors.
Medical Definition of Obsessive-compulsive disorder
1. An anxiety disorder characterised by recurrent, persistent obsessions or compulsions. Obsessions are the intrusive ideas, thoughts, or images that are experienced as senseless or repugnant. Compulsions are repetitive and seemingly purposeful behaviour which the individual generally recognises as senseless and from which the individual does not derive pleasure although it may provide a release from tension. (12 Dec 1998)