Obsessive-compulsive

adj. pertaining to an obsessional neurosis, caused by an obsessional neurosis

Obsessive-compulsive disorder (OCD) is a psychiatric anxiety disorder most commonly characterized by a subject's obsessive, distressing, intrusive thoughts and related compulsions (tasks or "rituals") which attempt to neutralize the obsessions.The phrase "obsessive-compulsive" has worked its way into the wider English lexicon, and is often used in an offhand manner to describe someone who is meticulous or absorbed in a cause (see also "anal-retentive"). Such casual references should not be confused with obsessive-compulsive disorder; see clinomorphism. It is also important to distinguish OCD from other types of anxiety, including the routine tension and stress that appear throughout life. Although these signs are often present in OCD, a person who shows signs of infatuation or fixation with a subject/object, or displays traits such as perfectionism, does not necessarily have OCD, a specific and well-defined condition.
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Obsessive compulsive personality disorder (OCPD), or anankastic personality disorder, is a personality disorder that is characterized by a general psychological inflexibility, rigid conformity to rules and procedures, perfectionism, moral code, and/or excessive orderliness. Obsessive compulsive personality disorder (OCPD) is often confused with obsessive-compulsive disorder (OCD). This could be due to the more commonly known OCD and the similarities in name of the two disorders, however the mindsets are typically very different and unrelated.Those who are suffering from OCPD do not generally feel the need to repeatedly perform ritualistic actions, a common symptom of OCD. Instead, people with OCPD tend to stress perfectionism above all else, and feel anxious when they perceive that things are not "right".
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Adjective
1. characterized by obsessions and compulsions; "obsessive-compulsive neurosis"
(similar) neurotic, psychoneurotic

A form of personality (or personality disorder) marked by obsessions and compulsions.

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