A number used to confirm an individual's identity, e.g. when using an ATM or a mobile phone, or when making payment using a credit card or debit card.

A wireless communications network, intended for devices within a small room or cubicle.

A type of fan fiction featuring celebrities and other real people, particularly actors, musicians, and athletes.

plural of sadistic personality disorder

(historical, psychiatry) A disorder characterized by cruel, aggressive, demeaning, and manipulative behavior towards others.

plural of personal identification number

(psychiatry) A personality disorder characterized by an extreme discomfort in social situations and perceptual distortions.

(psychiatry) A personality disorder characterized by an irrational fear of rejection and anxiety in social situations.

(psychiatry) A personality disorder characterized by social withdrawal, flat affect, very few, if any, close friends or personal relationships, excessive preoccupation with fantasy and insensitivity to prevailing social norms and conventions.

(psychiatry) A personality disorder characterized by a dependence on others to take care of oneself and one's life.