An interactive system or process, especially one involving competing or conflicting forces: "The traditional nineteenth-century dynamic between the sexes had begun to erode" (Jean Zimmerman).
dy•nam•ic /daɪˈnæmɪk/ adj. Also, dyˈnam•i•cal. vigorously active or forceful; energetic: a dynamic person. characterized by or producing change or progress: It's a dynamic process, not a static one. Physics of or relating to force, power, or motion. Physics of or relating to the science of dynamics. dy•nam•i•cal•ly, adv ...