premenstrual /prē-menˈstroo-əl or -strəl/ adjective Relating to or in the days immediately preceding menstruation ORIGIN: pre- (1) premenstrual dysphoric disorder noun A severe form of premenstrual tension premenstrual tension or premenstrual syndrome noun A condition characterized by a variety of symptoms, eg depression, nervous tension, headaches and pain in the breasts, caused by hormonal changes preceding menstruation (abbrev PMT or PMS) |