Alternative form of menstrual period

A phenomenon experienced before or while one performs, manifested either positively, as excitement, or negatively, as anxiety.

plural of perfect number

(idiomatic) To insist on the total realization of a goal and reject any compromise, thereby decreasing the chance of achieving even a part of that goal.

plural of cult of personality

plural of perfect game

(of a telephone call) Such that the caller is only connected and charged if the person he specified is available to speak.

(psychiatry) A mental disorder characterized by paranoia and a pervasive, long-standing suspiciousness and generalized mistrust of others.

plural of multiple personality disorder

(psychology, informal, dated) Dissociative identity disorder.