stagnanta.[L. stagnans, -antis, p. pr. of stagnare. See Stagnate.]1. That stagnates; not flowing; not running in a current or steam; motionless; hence, impure or foul from want of motion; as, a stagnant lake or pond; stagnant blood in the veins.()2. Not active or brisk; dull; as, business is stagnant.()That gloomy slumber of the stagnant soul. (Johnson.)For him a stagnant life was not worth living. (Palfrey.)