- undynamic, adynamic - characterized by an absence of force or forcefulness
Antonyms: dynamic, dynamical, can-do, changing, ever-changing, driving, impulsive, energizing, energising, kinetic, projectile, propellant, propellent, propelling, propulsive, renascent, resurgent, self-propelled, self-propelling, slashing, high-octane, high-powered, high-power, high-voltage, high-energy